Finding the Fourth Proportional to 112,426.10, 155,150.06 and 61,440.99

Step by Step Solution

1. Step 1: Write the proportion equation
   112,426.10 : 155,150.06 = 61,440.99 : x
2. Step 2: Convert to fraction form
   112,426.10/155,150.06 = 61,440.99/x
3. Step 3: Cross multiply
   112,426.10x = 155,150.06 × 61,440.99
4. Step 4: Simplify right side
   112,426.10x = 9,532,573,284.96
5. Step 5: Solve for x
   x = 9,532,573,284.96/112,426.10
6. Step 6: Final answer
   x = 84,789.68