Finding the Fourth Proportional to 105,505.20, 158,259.40 and 34,427.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,505.20 : 158,259.40 = 34,427.52 : x
2. Step 2: Convert to fraction form
   105,505.20/158,259.40 = 34,427.52/x
3. Step 3: Cross multiply
   105,505.20x = 158,259.40 × 34,427.52
4. Step 4: Simplify right side
   105,505.20x = 5,448,478,658.69
5. Step 5: Solve for x
   x = 5,448,478,658.69/105,505.20
6. Step 6: Final answer
   x = 51,641.80