Finding the Fourth Proportional to 126,275.60, 189,423.52 and 42,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,275.60 : 189,423.52 = 42,032.72 : x
2. Step 2: Convert to fraction form
   126,275.60/189,423.52 = 42,032.72/x
3. Step 3: Cross multiply
   126,275.60x = 189,423.52 × 42,032.72
4. Step 4: Simplify right side
   126,275.60x = 7,961,985,777.57
5. Step 5: Solve for x
   x = 7,961,985,777.57/126,275.60
6. Step 6: Final answer
   x = 63,052.45