Finding the Fourth Proportional to 2,888.01, 4,329.42 and 1,038.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,888.01 : 4,329.42 = 1,038.69 : x
2. Step 2: Convert to fraction form
   2,888.01/4,329.42 = 1,038.69/x
3. Step 3: Cross multiply
   2,888.01x = 4,329.42 × 1,038.69
4. Step 4: Simplify right side
   2,888.01x = 4,496,925.26
5. Step 5: Solve for x
   x = 4,496,925.26/2,888.01
6. Step 6: Final answer
   x = 1,557.10