Finding the Fourth Proportional to 1,053.64, 1,454.52 and 704.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.64 : 1,454.52 = 704.56 : x
2. Step 2: Convert to fraction form
   1,053.64/1,454.52 = 704.56/x
3. Step 3: Cross multiply
   1,053.64x = 1,454.52 × 704.56
4. Step 4: Simplify right side
   1,053.64x = 1,024,796.61
5. Step 5: Solve for x
   x = 1,024,796.61/1,053.64
6. Step 6: Final answer
   x = 972.63