Finding the Fourth Proportional to 117,113.18, 175,403.72 and 91,654.07

Step by Step Solution

1. Step 1: Write the proportion equation
   117,113.18 : 175,403.72 = 91,654.07 : x
2. Step 2: Convert to fraction form
   117,113.18/175,403.72 = 91,654.07/x
3. Step 3: Cross multiply
   117,113.18x = 175,403.72 × 91,654.07
4. Step 4: Simplify right side
   117,113.18x = 16,076,465,498.78
5. Step 5: Solve for x
   x = 16,076,465,498.78/117,113.18
6. Step 6: Final answer
   x = 137,272.89