Finding the Fourth Proportional to 112,835.43, 155,707.11 and 65,085.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,835.43 : 155,707.11 = 65,085.93 : x
2. Step 2: Convert to fraction form
   112,835.43/155,707.11 = 65,085.93/x
3. Step 3: Cross multiply
   112,835.43x = 155,707.11 × 65,085.93
4. Step 4: Simplify right side
   112,835.43x = 10,134,342,061.96
5. Step 5: Solve for x
   x = 10,134,342,061.96/112,835.43
6. Step 6: Final answer
   x = 89,815.25