Finding the Fourth Proportional to 1,592.71, 2,389.67 and 900.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.71 : 2,389.67 = 900.16 : x
2. Step 2: Convert to fraction form
   1,592.71/2,389.67 = 900.16/x
3. Step 3: Cross multiply
   1,592.71x = 2,389.67 × 900.16
4. Step 4: Simplify right side
   1,592.71x = 2,151,085.35
5. Step 5: Solve for x
   x = 2,151,085.35/1,592.71
6. Step 6: Final answer
   x = 1,350.58