Finding the Fourth Proportional to 103,063.54, 142,242.71 and 57,744.59

Step by Step Solution

1. Step 1: Write the proportion equation
   103,063.54 : 142,242.71 = 57,744.59 : x
2. Step 2: Convert to fraction form
   103,063.54/142,242.71 = 57,744.59/x
3. Step 3: Cross multiply
   103,063.54x = 142,242.71 × 57,744.59
4. Step 4: Simplify right side
   103,063.54x = 8,213,745,969.50
5. Step 5: Solve for x
   x = 8,213,745,969.50/103,063.54
6. Step 6: Final answer
   x = 79,695.94