Finding the Fourth Proportional to 72,465.30, 101,555.10 and 72,465.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,465.30 : 101,555.10 = 72,465.30 : x
2. Step 2: Convert to fraction form
   72,465.30/101,555.10 = 72,465.30/x
3. Step 3: Cross multiply
   72,465.30x = 101,555.10 × 72,465.30
4. Step 4: Simplify right side
   72,465.30x = 7,359,220,788.03
5. Step 5: Solve for x
   x = 7,359,220,788.03/72,465.30
6. Step 6: Final answer
   x = 101,555.10