Finding the Fourth Proportional to 56,895.12, 78,515.72 and 31,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,895.12 : 78,515.72 = 31,744.72 : x
2. Step 2: Convert to fraction form
   56,895.12/78,515.72 = 31,744.72/x
3. Step 3: Cross multiply
   56,895.12x = 78,515.72 × 31,744.72
4. Step 4: Simplify right side
   56,895.12x = 2,492,459,547.00
5. Step 5: Solve for x
   x = 2,492,459,547.00/56,895.12
6. Step 6: Final answer
   x = 43,807.97