Finding the Fourth Proportional to 52,756.35, 72,807.93 and 30,090.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,756.35 : 72,807.93 = 30,090.15 : x
2. Step 2: Convert to fraction form
   52,756.35/72,807.93 = 30,090.15/x
3. Step 3: Cross multiply
   52,756.35x = 72,807.93 × 30,090.15
4. Step 4: Simplify right side
   52,756.35x = 2,190,801,534.89
5. Step 5: Solve for x
   x = 2,190,801,534.89/52,756.35
6. Step 6: Final answer
   x = 41,526.78