Finding the Fourth Proportional to 1,101.95, 1,520.72 and 653.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.95 : 1,520.72 = 653.82 : x
2. Step 2: Convert to fraction form
   1,101.95/1,520.72 = 653.82/x
3. Step 3: Cross multiply
   1,101.95x = 1,520.72 × 653.82
4. Step 4: Simplify right side
   1,101.95x = 994,282.86
5. Step 5: Solve for x
   x = 994,282.86/1,101.95
6. Step 6: Final answer
   x = 902.29