Finding the Fourth Proportional to 112,087.88, 154,678.17 and 61,101.60

Step by Step Solution

1. Step 1: Write the proportion equation
   112,087.88 : 154,678.17 = 61,101.60 : x
2. Step 2: Convert to fraction form
   112,087.88/154,678.17 = 61,101.60/x
3. Step 3: Cross multiply
   112,087.88x = 154,678.17 × 61,101.60
4. Step 4: Simplify right side
   112,087.88x = 9,451,083,672.07
5. Step 5: Solve for x
   x = 9,451,083,672.07/112,087.88
6. Step 6: Final answer
   x = 84,318.52