Finding the Fourth Proportional to 2,430.59, 3,355.01 and 1,535.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.59 : 3,355.01 = 1,535.81 : x
2. Step 2: Convert to fraction form
   2,430.59/3,355.01 = 1,535.81/x
3. Step 3: Cross multiply
   2,430.59x = 3,355.01 × 1,535.81
4. Step 4: Simplify right side
   2,430.59x = 5,152,633.45
5. Step 5: Solve for x
   x = 5,152,633.45/2,430.59
6. Step 6: Final answer
   x = 2,119.91