Finding the Fourth Proportional to 103,427.84, 142,730.43 and 58,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,427.84 : 142,730.43 = 58,105.82 : x
2. Step 2: Convert to fraction form
   103,427.84/142,730.43 = 58,105.82/x
3. Step 3: Cross multiply
   103,427.84x = 142,730.43 × 58,105.82
4. Step 4: Simplify right side
   103,427.84x = 8,293,468,674.10
5. Step 5: Solve for x
   x = 8,293,468,674.10/103,427.84
6. Step 6: Final answer
   x = 80,186.04