Finding the Fourth Proportional to 101,872.30, 140,630.88 and 61,055.82

Step by Step Solution

1. Step 1: Write the proportion equation
   101,872.30 : 140,630.88 = 61,055.82 : x
2. Step 2: Convert to fraction form
   101,872.30/140,630.88 = 61,055.82/x
3. Step 3: Cross multiply
   101,872.30x = 140,630.88 × 61,055.82
4. Step 4: Simplify right side
   101,872.30x = 8,586,333,695.72
5. Step 5: Solve for x
   x = 8,586,333,695.72/101,872.30
6. Step 6: Final answer
   x = 84,285.26