Finding the Fourth Proportional to 1,300.64, 1,796.72 and 1,038.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.64 : 1,796.72 = 1,038.32 : x
2. Step 2: Convert to fraction form
   1,300.64/1,796.72 = 1,038.32/x
3. Step 3: Cross multiply
   1,300.64x = 1,796.72 × 1,038.32
4. Step 4: Simplify right side
   1,300.64x = 1,865,570.31
5. Step 5: Solve for x
   x = 1,865,570.31/1,300.64
6. Step 6: Final answer
   x = 1,434.35