Finding the Fourth Proportional to 118,499.22, 177,758.28 and 39,613.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,499.22 : 177,758.28 = 39,613.86 : x
2. Step 2: Convert to fraction form
   118,499.22/177,758.28 = 39,613.86/x
3. Step 3: Cross multiply
   118,499.22x = 177,758.28 × 39,613.86
4. Step 4: Simplify right side
   118,499.22x = 7,041,691,617.76
5. Step 5: Solve for x
   x = 7,041,691,617.76/118,499.22
6. Step 6: Final answer
   x = 59,423.95