Finding the Fourth Proportional to 118,291.27, 177,289.25 and 59,143.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,291.27 : 177,289.25 = 59,143.86 : x
2. Step 2: Convert to fraction form
   118,291.27/177,289.25 = 59,143.86/x
3. Step 3: Cross multiply
   118,291.27x = 177,289.25 × 59,143.86
4. Step 4: Simplify right side
   118,291.27x = 10,485,570,581.51
5. Step 5: Solve for x
   x = 10,485,570,581.51/118,291.27
6. Step 6: Final answer
   x = 88,641.96