Finding the Fourth Proportional to 112,328.42, 155,013.54 and 61,341.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112,328.42 : 155,013.54 = 61,341.62 : x
2. Step 2: Convert to fraction form
   112,328.42/155,013.54 = 61,341.62/x
3. Step 3: Cross multiply
   112,328.42x = 155,013.54 × 61,341.62
4. Step 4: Simplify right side
   112,328.42x = 9,508,781,665.53
5. Step 5: Solve for x
   x = 9,508,781,665.53/112,328.42
6. Step 6: Final answer
   x = 84,651.61