Finding the Fourth Proportional to 112,601.71, 155,446.59 and 64,845.83

Step by Step Solution

1. Step 1: Write the proportion equation
   112,601.71 : 155,446.59 = 64,845.83 : x
2. Step 2: Convert to fraction form
   112,601.71/155,446.59 = 64,845.83/x
3. Step 3: Cross multiply
   112,601.71x = 155,446.59 × 64,845.83
4. Step 4: Simplify right side
   112,601.71x = 10,080,063,781.01
5. Step 5: Solve for x
   x = 10,080,063,781.01/112,601.71
6. Step 6: Final answer
   x = 89,519.63