Finding the Fourth Proportional to 92,042.41, 137,976.12 and 58,668.79

Step by Step Solution

1. Step 1: Write the proportion equation
   92,042.41 : 137,976.12 = 58,668.79 : x
2. Step 2: Convert to fraction form
   92,042.41/137,976.12 = 58,668.79/x
3. Step 3: Cross multiply
   92,042.41x = 137,976.12 × 58,668.79
4. Step 4: Simplify right side
   92,042.41x = 8,094,892,009.29
5. Step 5: Solve for x
   x = 8,094,892,009.29/92,042.41
6. Step 6: Final answer
   x = 87,947.41