Finding the Fourth Proportional to 105,866.30, 146,097.15 and 58,124

Step by Step Solution

1. Step 1: Write the proportion equation
   105,866.30 : 146,097.15 = 58,124 : x
2. Step 2: Convert to fraction form
   105,866.30/146,097.15 = 58,124/x
3. Step 3: Cross multiply
   105,866.30x = 146,097.15 × 58,124
4. Step 4: Simplify right side
   105,866.30x = 8,491,750,746.60
5. Step 5: Solve for x
   x = 8,491,750,746.60/105,866.30
6. Step 6: Final answer
   x = 80,212.03