Finding the Fourth Proportional to 1,051.32, 1,451.52 and 653.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.32 : 1,451.52 = 653.43 : x
2. Step 2: Convert to fraction form
   1,051.32/1,451.52 = 653.43/x
3. Step 3: Cross multiply
   1,051.32x = 1,451.52 × 653.43
4. Step 4: Simplify right side
   1,051.32x = 948,466.71
5. Step 5: Solve for x
   x = 948,466.71/1,051.32
6. Step 6: Final answer
   x = 902.17