Finding the Fourth Proportional to 105,432.07, 158,108.31 and 34,336.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,432.07 : 158,108.31 = 34,336.15 : x
2. Step 2: Convert to fraction form
   105,432.07/158,108.31 = 34,336.15/x
3. Step 3: Cross multiply
   105,432.07x = 158,108.31 × 34,336.15
4. Step 4: Simplify right side
   105,432.07x = 5,428,830,648.41
5. Step 5: Solve for x
   x = 5,428,830,648.41/105,432.07
6. Step 6: Final answer
   x = 51,491.26