Finding the Fourth Proportional to 105,430.41, 158,109.17 and 34,334.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,430.41 : 158,109.17 = 34,334.69 : x
2. Step 2: Convert to fraction form
   105,430.41/158,109.17 = 34,334.69/x
3. Step 3: Cross multiply
   105,430.41x = 158,109.17 × 34,334.69
4. Step 4: Simplify right side
   105,430.41x = 5,428,628,375.89
5. Step 5: Solve for x
   x = 5,428,628,375.89/105,430.41
6. Step 6: Final answer
   x = 51,490.16