Finding the Fourth Proportional to 112,847.10, 155,723.53 and 65,115.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,847.10 : 155,723.53 = 65,115.86 : x
2. Step 2: Convert to fraction form
   112,847.10/155,723.53 = 65,115.86/x
3. Step 3: Cross multiply
   112,847.10x = 155,723.53 × 65,115.86
4. Step 4: Simplify right side
   112,847.10x = 10,140,071,578.19
5. Step 5: Solve for x
   x = 10,140,071,578.19/112,847.10
6. Step 6: Final answer
   x = 89,856.73