Finding the Fourth Proportional to 105,752.10, 158,316.49 and 92,630.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,752.10 : 158,316.49 = 92,630.10 : x
2. Step 2: Convert to fraction form
   105,752.10/158,316.49 = 92,630.10/x
3. Step 3: Cross multiply
   105,752.10x = 158,316.49 × 92,630.10
4. Step 4: Simplify right side
   105,752.10x = 14,664,872,300.35
5. Step 5: Solve for x
   x = 14,664,872,300.35/105,752.10
6. Step 6: Final answer
   x = 138,672.16