Finding the Fourth Proportional to 126,324.04, 189,505.50 and 42,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   126,324.04 : 189,505.50 = 42,055.30 : x
2. Step 2: Convert to fraction form
   126,324.04/189,505.50 = 42,055.30/x
3. Step 3: Cross multiply
   126,324.04x = 189,505.50 × 42,055.30
4. Step 4: Simplify right side
   126,324.04x = 7,969,710,654.15
5. Step 5: Solve for x
   x = 7,969,710,654.15/126,324.04
6. Step 6: Final answer
   x = 63,089.42