Finding the Fourth Proportional to 112,073.71, 154,659.72 and 61,086.91

Step by Step Solution

1. Step 1: Write the proportion equation
   112,073.71 : 154,659.72 = 61,086.91 : x
2. Step 2: Convert to fraction form
   112,073.71/154,659.72 = 61,086.91/x
3. Step 3: Cross multiply
   112,073.71x = 154,659.72 × 61,086.91
4. Step 4: Simplify right side
   112,073.71x = 9,447,684,396.27
5. Step 5: Solve for x
   x = 9,447,684,396.27/112,073.71
6. Step 6: Final answer
   x = 84,298.85