Finding the Fourth Proportional to 126,277.60, 189,426.52 and 42,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,277.60 : 189,426.52 = 42,034.72 : x
2. Step 2: Convert to fraction form
   126,277.60/189,426.52 = 42,034.72/x
3. Step 3: Cross multiply
   126,277.60x = 189,426.52 × 42,034.72
4. Step 4: Simplify right side
   126,277.60x = 7,962,490,728.77
5. Step 5: Solve for x
   x = 7,962,490,728.77/126,277.60
6. Step 6: Final answer
   x = 63,055.45