Finding the Fourth Proportional to 1,477.23, 2,213.82 and 1,432.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.23 : 2,213.82 = 1,432.88 : x
2. Step 2: Convert to fraction form
   1,477.23/2,213.82 = 1,432.88/x
3. Step 3: Cross multiply
   1,477.23x = 2,213.82 × 1,432.88
4. Step 4: Simplify right side
   1,477.23x = 3,172,143.94
5. Step 5: Solve for x
   x = 3,172,143.94/1,477.23
6. Step 6: Final answer
   x = 2,147.36