Finding the Fourth Proportional to 103,535.01, 142,525.71 and 76,626.81

Step by Step Solution

1. Step 1: Write the proportion equation
   103,535.01 : 142,525.71 = 76,626.81 : x
2. Step 2: Convert to fraction form
   103,535.01/142,525.71 = 76,626.81/x
3. Step 3: Cross multiply
   103,535.01x = 142,525.71 × 76,626.81
4. Step 4: Simplify right side
   103,535.01x = 10,921,290,500.29
5. Step 5: Solve for x
   x = 10,921,290,500.29/103,535.01
6. Step 6: Final answer
   x = 105,484.03