Finding the Fourth Proportional to 131,622.47, 197,433.55 and 42,875.83

Step by Step Solution

1. Step 1: Write the proportion equation
   131,622.47 : 197,433.55 = 42,875.83 : x
2. Step 2: Convert to fraction form
   131,622.47/197,433.55 = 42,875.83/x
3. Step 3: Cross multiply
   131,622.47x = 197,433.55 × 42,875.83
4. Step 4: Simplify right side
   131,622.47x = 8,465,126,725.32
5. Step 5: Solve for x
   x = 8,465,126,725.32/131,622.47
6. Step 6: Final answer
   x = 64,313.69