Finding the Fourth Proportional to 112,665.15, 169,085.78 and 49,528.89

Step by Step Solution

1. Step 1: Write the proportion equation
   112,665.15 : 169,085.78 = 49,528.89 : x
2. Step 2: Convert to fraction form
   112,665.15/169,085.78 = 49,528.89/x
3. Step 3: Cross multiply
   112,665.15x = 169,085.78 × 49,528.89
4. Step 4: Simplify right side
   112,665.15x = 8,374,630,549.85
5. Step 5: Solve for x
   x = 8,374,630,549.85/112,665.15
6. Step 6: Final answer
   x = 74,332.04