Finding the Fourth Proportional to 1,050.15, 1,573.16 and 959.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.15 : 1,573.16 = 959.93 : x
2. Step 2: Convert to fraction form
   1,050.15/1,573.16 = 959.93/x
3. Step 3: Cross multiply
   1,050.15x = 1,573.16 × 959.93
4. Step 4: Simplify right side
   1,050.15x = 1,510,123.48
5. Step 5: Solve for x
   x = 1,510,123.48/1,050.15
6. Step 6: Final answer
   x = 1,438.01