Finding the Fourth Proportional to 103,614.56, 142,987.86 and 58,292.56

Step by Step Solution

1. Step 1: Write the proportion equation
   103,614.56 : 142,987.86 = 58,292.56 : x
2. Step 2: Convert to fraction form
   103,614.56/142,987.86 = 58,292.56/x
3. Step 3: Cross multiply
   103,614.56x = 142,987.86 × 58,292.56
4. Step 4: Simplify right side
   103,614.56x = 8,335,128,408.32
5. Step 5: Solve for x
   x = 8,335,128,408.32/103,614.56
6. Step 6: Final answer
   x = 80,443.60