Finding the Fourth Proportional to 117,111.76, 175,641.36 and 53,871.15

Step by Step Solution

1. Step 1: Write the proportion equation
   117,111.76 : 175,641.36 = 53,871.15 : x
2. Step 2: Convert to fraction form
   117,111.76/175,641.36 = 53,871.15/x
3. Step 3: Cross multiply
   117,111.76x = 175,641.36 × 53,871.15
4. Step 4: Simplify right side
   117,111.76x = 9,462,002,050.76
5. Step 5: Solve for x
   x = 9,462,002,050.76/117,111.76
6. Step 6: Final answer
   x = 80,794.64