Finding the Fourth Proportional to 93,454.86, 129,097.89 and 83,380.08

Step by Step Solution

1. Step 1: Write the proportion equation
   93,454.86 : 129,097.89 = 83,380.08 : x
2. Step 2: Convert to fraction form
   93,454.86/129,097.89 = 83,380.08/x
3. Step 3: Cross multiply
   93,454.86x = 129,097.89 × 83,380.08
4. Step 4: Simplify right side
   93,454.86x = 10,764,192,396.03
5. Step 5: Solve for x
   x = 10,764,192,396.03/93,454.86
6. Step 6: Final answer
   x = 115,180.66