Finding the Fourth Proportional to 76,061.12, 104,993.16 and 68,088.92

Step by Step Solution

1. Step 1: Write the proportion equation
   76,061.12 : 104,993.16 = 68,088.92 : x
2. Step 2: Convert to fraction form
   76,061.12/104,993.16 = 68,088.92/x
3. Step 3: Cross multiply
   76,061.12x = 104,993.16 × 68,088.92
4. Step 4: Simplify right side
   76,061.12x = 7,148,870,871.79
5. Step 5: Solve for x
   x = 7,148,870,871.79/76,061.12
6. Step 6: Final answer
   x = 93,988.50