Finding the Fourth Proportional to 118,298.72, 177,300.39 and 59,151.30

Step by Step Solution

1. Step 1: Write the proportion equation
   118,298.72 : 177,300.39 = 59,151.30 : x
2. Step 2: Convert to fraction form
   118,298.72/177,300.39 = 59,151.30/x
3. Step 3: Cross multiply
   118,298.72x = 177,300.39 × 59,151.30
4. Step 4: Simplify right side
   118,298.72x = 10,487,548,559.01
5. Step 5: Solve for x
   x = 10,487,548,559.01/118,298.72
6. Step 6: Final answer
   x = 88,653.11