Finding the Fourth Proportional to 121,002.63, 181,540.89 and 61,879.83

Step by Step Solution

1. Step 1: Write the proportion equation
   121,002.63 : 181,540.89 = 61,879.83 : x
2. Step 2: Convert to fraction form
   121,002.63/181,540.89 = 61,879.83/x
3. Step 3: Cross multiply
   121,002.63x = 181,540.89 × 61,879.83
4. Step 4: Simplify right side
   121,002.63x = 11,233,719,411.25
5. Step 5: Solve for x
   x = 11,233,719,411.25/121,002.63
6. Step 6: Final answer
   x = 92,838.64