Finding the Fourth Proportional to 52,498.22, 72,447.63 and 30,988.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,498.22 : 72,447.63 = 30,988.94 : x
2. Step 2: Convert to fraction form
   52,498.22/72,447.63 = 30,988.94/x
3. Step 3: Cross multiply
   52,498.22x = 72,447.63 × 30,988.94
4. Step 4: Simplify right side
   52,498.22x = 2,245,075,259.21
5. Step 5: Solve for x
   x = 2,245,075,259.21/52,498.22
6. Step 6: Final answer
   x = 42,764.79