Finding the Fourth Proportional to 1,505.00, 2,076.29 and 915.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.00 : 2,076.29 = 915.87 : x
2. Step 2: Convert to fraction form
   1,505.00/2,076.29 = 915.87/x
3. Step 3: Cross multiply
   1,505.00x = 2,076.29 × 915.87
4. Step 4: Simplify right side
   1,505.00x = 1,901,614.01
5. Step 5: Solve for x
   x = 1,901,614.01/1,505.00
6. Step 6: Final answer
   x = 1,263.54