Finding the Fourth Proportional to 1,536.83, 2,119.16 and 1,038.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536.83 : 2,119.16 = 1,038.61 : x
2. Step 2: Convert to fraction form
   1,536.83/2,119.16 = 1,038.61/x
3. Step 3: Cross multiply
   1,536.83x = 2,119.16 × 1,038.61
4. Step 4: Simplify right side
   1,536.83x = 2,200,970.28
5. Step 5: Solve for x
   x = 2,200,970.28/1,536.83
6. Step 6: Final answer
   x = 1,432.15