Finding the Fourth Proportional to 1,526.32, 2,105.35 and 1,002.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.32 : 2,105.35 = 1,002.39 : x
2. Step 2: Convert to fraction form
   1,526.32/2,105.35 = 1,002.39/x
3. Step 3: Cross multiply
   1,526.32x = 2,105.35 × 1,002.39
4. Step 4: Simplify right side
   1,526.32x = 2,110,381.79
5. Step 5: Solve for x
   x = 2,110,381.79/1,526.32
6. Step 6: Final answer
   x = 1,382.66