Finding the Fourth Proportional to 117,797.72, 176,753.34 and 58,638.60

Step by Step Solution

1. Step 1: Write the proportion equation
   117,797.72 : 176,753.34 = 58,638.60 : x
2. Step 2: Convert to fraction form
   117,797.72/176,753.34 = 58,638.60/x
3. Step 3: Cross multiply
   117,797.72x = 176,753.34 × 58,638.60
4. Step 4: Simplify right side
   117,797.72x = 10,364,568,402.92
5. Step 5: Solve for x
   x = 10,364,568,402.92/117,797.72
6. Step 6: Final answer
   x = 87,986.15