Finding the Fourth Proportional to 1,510.84, 2,264.42 and 923.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.84 : 2,264.42 = 923.99 : x
2. Step 2: Convert to fraction form
   1,510.84/2,264.42 = 923.99/x
3. Step 3: Cross multiply
   1,510.84x = 2,264.42 × 923.99
4. Step 4: Simplify right side
   1,510.84x = 2,092,296.82
5. Step 5: Solve for x
   x = 2,092,296.82/1,510.84
6. Step 6: Final answer
   x = 1,384.86