Finding the Fourth Proportional to 103,827.81, 143,282.37 and 56,081.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,827.81 : 143,282.37 = 56,081.15 : x
2. Step 2: Convert to fraction form
   103,827.81/143,282.37 = 56,081.15/x
3. Step 3: Cross multiply
   103,827.81x = 143,282.37 × 56,081.15
4. Step 4: Simplify right side
   103,827.81x = 8,035,440,505.29
5. Step 5: Solve for x
   x = 8,035,440,505.29/103,827.81
6. Step 6: Final answer
   x = 77,391.99