Finding the Fourth Proportional to 52,464.71, 72,428.72 and 40,797.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,464.71 : 72,428.72 = 40,797.06 : x
2. Step 2: Convert to fraction form
   52,464.71/72,428.72 = 40,797.06/x
3. Step 3: Cross multiply
   52,464.71x = 72,428.72 × 40,797.06
4. Step 4: Simplify right side
   52,464.71x = 2,954,878,631.58
5. Step 5: Solve for x
   x = 2,954,878,631.58/52,464.71
6. Step 6: Final answer
   x = 56,321.27