Finding the Fourth Proportional to 117,158.74, 175,701.77 and 42,269.15

Step by Step Solution

1. Step 1: Write the proportion equation
   117,158.74 : 175,701.77 = 42,269.15 : x
2. Step 2: Convert to fraction form
   117,158.74/175,701.77 = 42,269.15/x
3. Step 3: Cross multiply
   117,158.74x = 175,701.77 × 42,269.15
4. Step 4: Simplify right side
   117,158.74x = 7,426,764,699.30
5. Step 5: Solve for x
   x = 7,426,764,699.30/117,158.74
6. Step 6: Final answer
   x = 63,390.62