Finding the Fourth Proportional to 112,461.55, 155,196.79 and 61,474.61

Step by Step Solution

1. Step 1: Write the proportion equation
   112,461.55 : 155,196.79 = 61,474.61 : x
2. Step 2: Convert to fraction form
   112,461.55/155,196.79 = 61,474.61/x
3. Step 3: Cross multiply
   112,461.55x = 155,196.79 × 61,474.61
4. Step 4: Simplify right side
   112,461.55x = 9,540,662,138.50
5. Step 5: Solve for x
   x = 9,540,662,138.50/112,461.55
6. Step 6: Final answer
   x = 84,834.88