Finding the Fourth Proportional to 117,092.60, 175,639.34 and 28,345.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,092.60 : 175,639.34 = 28,345.96 : x
2. Step 2: Convert to fraction form
   117,092.60/175,639.34 = 28,345.96/x
3. Step 3: Cross multiply
   117,092.60x = 175,639.34 × 28,345.96
4. Step 4: Simplify right side
   117,092.60x = 4,978,665,337.83
5. Step 5: Solve for x
   x = 4,978,665,337.83/117,092.60
6. Step 6: Final answer
   x = 42,519.05