Finding the Fourth Proportional to 103,615.94, 142,985.83 and 58,294.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,615.94 : 142,985.83 = 58,294.82 : x
2. Step 2: Convert to fraction form
   103,615.94/142,985.83 = 58,294.82/x
3. Step 3: Cross multiply
   103,615.94x = 142,985.83 × 58,294.82
4. Step 4: Simplify right side
   103,615.94x = 8,335,333,222.40
5. Step 5: Solve for x
   x = 8,335,333,222.40/103,615.94
6. Step 6: Final answer
   x = 80,444.51