Finding the Fourth Proportional to 112,039.56, 154,613.76 and 61,738.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,039.56 : 154,613.76 = 61,738.56 : x
2. Step 2: Convert to fraction form
   112,039.56/154,613.76 = 61,738.56/x
3. Step 3: Cross multiply
   112,039.56x = 154,613.76 × 61,738.56
4. Step 4: Simplify right side
   112,039.56x = 9,545,630,898.59
5. Step 5: Solve for x
   x = 9,545,630,898.59/112,039.56
6. Step 6: Final answer
   x = 85,198.75