Finding the Fourth Proportional to 116,770.98, 175,213.71 and 72,385.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,770.98 : 175,213.71 = 72,385.98 : x
2. Step 2: Convert to fraction form
   116,770.98/175,213.71 = 72,385.98/x
3. Step 3: Cross multiply
   116,770.98x = 175,213.71 × 72,385.98
4. Step 4: Simplify right side
   116,770.98x = 12,683,016,107.79
5. Step 5: Solve for x
   x = 12,683,016,107.79/116,770.98
6. Step 6: Final answer
   x = 108,614.45