Finding the Fourth Proportional to 121,152.58, 181,806.63 and 58,789.06

Step by Step Solution

1. Step 1: Write the proportion equation
   121,152.58 : 181,806.63 = 58,789.06 : x
2. Step 2: Convert to fraction form
   121,152.58/181,806.63 = 58,789.06/x
3. Step 3: Cross multiply
   121,152.58x = 181,806.63 × 58,789.06
4. Step 4: Simplify right side
   121,152.58x = 10,688,240,879.47
5. Step 5: Solve for x
   x = 10,688,240,879.47/121,152.58
6. Step 6: Final answer
   x = 88,221.32