Finding the Fourth Proportional to 1,527.96, 2,109.12 and 1,030.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.96 : 2,109.12 = 1,030.32 : x
2. Step 2: Convert to fraction form
   1,527.96/2,109.12 = 1,030.32/x
3. Step 3: Cross multiply
   1,527.96x = 2,109.12 × 1,030.32
4. Step 4: Simplify right side
   1,527.96x = 2,173,068.52
5. Step 5: Solve for x
   x = 2,173,068.52/1,527.96
6. Step 6: Final answer
   x = 1,422.20