Finding the Fourth Proportional to 105,814.47, 146,023.56 and 58,068.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,814.47 : 146,023.56 = 58,068.62 : x
2. Step 2: Convert to fraction form
   105,814.47/146,023.56 = 58,068.62/x
3. Step 3: Cross multiply
   105,814.47x = 146,023.56 × 58,068.62
4. Step 4: Simplify right side
   105,814.47x = 8,479,385,886.57
5. Step 5: Solve for x
   x = 8,479,385,886.57/105,814.47
6. Step 6: Final answer
   x = 80,134.46