Finding the Fourth Proportional to 1,053.86, 1,454.74 and 704.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.86 : 1,454.74 = 704.42 : x
2. Step 2: Convert to fraction form
   1,053.86/1,454.74 = 704.42/x
3. Step 3: Cross multiply
   1,053.86x = 1,454.74 × 704.42
4. Step 4: Simplify right side
   1,053.86x = 1,024,747.95
5. Step 5: Solve for x
   x = 1,024,747.95/1,053.86
6. Step 6: Final answer
   x = 972.38