Finding the Fourth Proportional to 52,773,854,403.32, 72,827,401,681.37 and 28,686,442,871.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,773,854,403.32 : 72,827,401,681.37 = 28,686,442,871.15 : x
2. Step 2: Convert to fraction form
   52,773,854,403.32/72,827,401,681.37 = 28,686,442,871.15/x
3. Step 3: Cross multiply
   52,773,854,403.32x = 72,827,401,681.37 × 28,686,442,871.15
4. Step 4: Simplify right side
   52,773,854,403.32x = 2,089,159,097,786,697,777,152
5. Step 5: Solve for x
   x = 2,089,159,097,786,697,777,152/52,773,854,403.32
6. Step 6: Final answer
   x = 39,587,009,920.11