Finding the Fourth Proportional to 126,022.30, 189,038.72 and 58,617.57

Step by Step Solution

1. Step 1: Write the proportion equation
   126,022.30 : 189,038.72 = 58,617.57 : x
2. Step 2: Convert to fraction form
   126,022.30/189,038.72 = 58,617.57/x
3. Step 3: Cross multiply
   126,022.30x = 189,038.72 × 58,617.57
4. Step 4: Simplify right side
   126,022.30x = 11,080,990,402.31
5. Step 5: Solve for x
   x = 11,080,990,402.31/126,022.30
6. Step 6: Final answer
   x = 87,928.81