Finding the Fourth Proportional to 78,061.97, 116,970.30 and 60,336.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,061.97 : 116,970.30 = 60,336.02 : x
2. Step 2: Convert to fraction form
   78,061.97/116,970.30 = 60,336.02/x
3. Step 3: Cross multiply
   78,061.97x = 116,970.30 × 60,336.02
4. Step 4: Simplify right side
   78,061.97x = 7,057,522,652.63
5. Step 5: Solve for x
   x = 7,057,522,652.63/78,061.97
6. Step 6: Final answer
   x = 90,409.23