Finding the Fourth Proportional to 103,425.32, 142,727.46 and 58,105.22

Step by Step Solution

1. Step 1: Write the proportion equation
   103,425.32 : 142,727.46 = 58,105.22 : x
2. Step 2: Convert to fraction form
   103,425.32/142,727.46 = 58,105.22/x
3. Step 3: Cross multiply
   103,425.32x = 142,727.46 × 58,105.22
4. Step 4: Simplify right side
   103,425.32x = 8,293,210,463.34
5. Step 5: Solve for x
   x = 8,293,210,463.34/103,425.32
6. Step 6: Final answer
   x = 80,185.49