Finding the Fourth Proportional to 1,493.12, 2,071.52 and 1,432.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.12 : 2,071.52 = 1,432.96 : x
2. Step 2: Convert to fraction form
   1,493.12/2,071.52 = 1,432.96/x
3. Step 3: Cross multiply
   1,493.12x = 2,071.52 × 1,432.96
4. Step 4: Simplify right side
   1,493.12x = 2,968,405.30
5. Step 5: Solve for x
   x = 2,968,405.30/1,493.12
6. Step 6: Final answer
   x = 1,988.06