Finding the Fourth Proportional to 72,419.90, 97,455.83 and 72,419.90

Step by Step Solution

1. Step 1: Write the proportion equation
   72,419.90 : 97,455.83 = 72,419.90 : x
2. Step 2: Convert to fraction form
   72,419.90/97,455.83 = 72,419.90/x
3. Step 3: Cross multiply
   72,419.90x = 97,455.83 × 72,419.90
4. Step 4: Simplify right side
   72,419.90x = 7,057,741,100.92
5. Step 5: Solve for x
   x = 7,057,741,100.92/72,419.90
6. Step 6: Final answer
   x = 97,455.83