Finding the Fourth Proportional to 105,499.60, 158,254.50 and 34,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,499.60 : 158,254.50 = 34,422.10 : x
2. Step 2: Convert to fraction form
   105,499.60/158,254.50 = 34,422.10/x
3. Step 3: Cross multiply
   105,499.60x = 158,254.50 × 34,422.10
4. Step 4: Simplify right side
   105,499.60x = 5,447,452,224.45
5. Step 5: Solve for x
   x = 5,447,452,224.45/105,499.60
6. Step 6: Final answer
   x = 51,634.81