Finding the Fourth Proportional to 126,526.18, 189,724.71 and 42,255.98

Step by Step Solution

1. Step 1: Write the proportion equation
   126,526.18 : 189,724.71 = 42,255.98 : x
2. Step 2: Convert to fraction form
   126,526.18/189,724.71 = 42,255.98/x
3. Step 3: Cross multiply
   126,526.18x = 189,724.71 × 42,255.98
4. Step 4: Simplify right side
   126,526.18x = 8,017,003,551.27
5. Step 5: Solve for x
   x = 8,017,003,551.27/126,526.18
6. Step 6: Final answer
   x = 63,362.41