Finding the Fourth Proportional to 112,367.98, 155,066.24 and 61,380.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,367.98 : 155,066.24 = 61,380.10 : x
2. Step 2: Convert to fraction form
   112,367.98/155,066.24 = 61,380.10/x
3. Step 3: Cross multiply
   112,367.98x = 155,066.24 × 61,380.10
4. Step 4: Simplify right side
   112,367.98x = 9,517,981,083.61
5. Step 5: Solve for x
   x = 9,517,981,083.61/112,367.98
6. Step 6: Final answer
   x = 84,703.68