Finding the Fourth Proportional to 94,116.72, 129,880.69 and 53,830.42

Step by Step Solution

1. Step 1: Write the proportion equation
   94,116.72 : 129,880.69 = 53,830.42 : x
2. Step 2: Convert to fraction form
   94,116.72/129,880.69 = 53,830.42/x
3. Step 3: Cross multiply
   94,116.72x = 129,880.69 × 53,830.42
4. Step 4: Simplify right side
   94,116.72x = 6,991,532,092.59
5. Step 5: Solve for x
   x = 6,991,532,092.59/94,116.72
6. Step 6: Final answer
   x = 74,285.76