Finding the Fourth Proportional to 126,404.56, 189,662.20 and 59,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   126,404.56 : 189,662.20 = 59,892.16 : x
2. Step 2: Convert to fraction form
   126,404.56/189,662.20 = 59,892.16/x
3. Step 3: Cross multiply
   126,404.56x = 189,662.20 × 59,892.16
4. Step 4: Simplify right side
   126,404.56x = 11,359,278,828.35
5. Step 5: Solve for x
   x = 11,359,278,828.35/126,404.56
6. Step 6: Final answer
   x = 89,864.47