Finding the Fourth Proportional to 1,436.13, 2,152.90 and 997.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.13 : 2,152.90 = 997.59 : x
2. Step 2: Convert to fraction form
   1,436.13/2,152.90 = 997.59/x
3. Step 3: Cross multiply
   1,436.13x = 2,152.90 × 997.59
4. Step 4: Simplify right side
   1,436.13x = 2,147,700.61
5. Step 5: Solve for x
   x = 2,147,700.61/1,436.13
6. Step 6: Final answer
   x = 1,495.48