Finding the Fourth Proportional to 105,868.32, 158,769.01 and 34,779.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,868.32 : 158,769.01 = 34,779.28 : x
2. Step 2: Convert to fraction form
   105,868.32/158,769.01 = 34,779.28/x
3. Step 3: Cross multiply
   105,868.32x = 158,769.01 × 34,779.28
4. Step 4: Simplify right side
   105,868.32x = 5,521,871,854.11
5. Step 5: Solve for x
   x = 5,521,871,854.11/105,868.32
6. Step 6: Final answer
   x = 52,157.92