Finding the Fourth Proportional to 120,945.24, 181,417.86 and 58,572

Step by Step Solution

1. Step 1: Write the proportion equation
   120,945.24 : 181,417.86 = 58,572 : x
2. Step 2: Convert to fraction form
   120,945.24/181,417.86 = 58,572/x
3. Step 3: Cross multiply
   120,945.24x = 181,417.86 × 58,572
4. Step 4: Simplify right side
   120,945.24x = 10,626,006,895.92
5. Step 5: Solve for x
   x = 10,626,006,895.92/120,945.24
6. Step 6: Final answer
   x = 87,858