Finding the Fourth Proportional to 52,429.20, 72,310.56 and 37,088.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,429.20 : 72,310.56 = 37,088.40 : x
2. Step 2: Convert to fraction form
   52,429.20/72,310.56 = 37,088.40/x
3. Step 3: Cross multiply
   52,429.20x = 72,310.56 × 37,088.40
4. Step 4: Simplify right side
   52,429.20x = 2,681,882,973.50
5. Step 5: Solve for x
   x = 2,681,882,973.50/52,429.20
6. Step 6: Final answer
   x = 51,152.47