Finding the Fourth Proportional to 117,557.30, 176,352.15 and 42,659.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,557.30 : 176,352.15 = 42,659.30 : x
2. Step 2: Convert to fraction form
   117,557.30/176,352.15 = 42,659.30/x
3. Step 3: Cross multiply
   117,557.30x = 176,352.15 × 42,659.30
4. Step 4: Simplify right side
   117,557.30x = 7,523,059,272.50
5. Step 5: Solve for x
   x = 7,523,059,272.50/117,557.30
6. Step 6: Final answer
   x = 63,994.83