Finding the Fourth Proportional to 72,429.40, 97,468.65 and 72,429.40

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.40 : 97,468.65 = 72,429.40 : x
2. Step 2: Convert to fraction form
   72,429.40/97,468.65 = 72,429.40/x
3. Step 3: Cross multiply
   72,429.40x = 97,468.65 × 72,429.40
4. Step 4: Simplify right side
   72,429.40x = 7,059,595,838.31
5. Step 5: Solve for x
   x = 7,059,595,838.31/72,429.40
6. Step 6: Final answer
   x = 97,468.65