Finding the Fourth Proportional to 103,654.98, 143,042.28 and 58,329.42

Step by Step Solution

1. Step 1: Write the proportion equation
   103,654.98 : 143,042.28 = 58,329.42 : x
2. Step 2: Convert to fraction form
   103,654.98/143,042.28 = 58,329.42/x
3. Step 3: Cross multiply
   103,654.98x = 143,042.28 × 58,329.42
4. Step 4: Simplify right side
   103,654.98x = 8,343,573,227.88
5. Step 5: Solve for x
   x = 8,343,573,227.88/103,654.98
6. Step 6: Final answer
   x = 80,493.70