Finding the Fourth Proportional to 93,894.65, 129,499.16 and 82,539.98

Step by Step Solution

1. Step 1: Write the proportion equation
   93,894.65 : 129,499.16 = 82,539.98 : x
2. Step 2: Convert to fraction form
   93,894.65/129,499.16 = 82,539.98/x
3. Step 3: Cross multiply
   93,894.65x = 129,499.16 × 82,539.98
4. Step 4: Simplify right side
   93,894.65x = 10,688,857,016.22
5. Step 5: Solve for x
   x = 10,688,857,016.22/93,894.65
6. Step 6: Final answer
   x = 113,838.84