Finding the Fourth Proportional to 2,172.18, 3,256.56 and 1,002.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.18 : 3,256.56 = 1,002.93 : x
2. Step 2: Convert to fraction form
   2,172.18/3,256.56 = 1,002.93/x
3. Step 3: Cross multiply
   2,172.18x = 3,256.56 × 1,002.93
4. Step 4: Simplify right side
   2,172.18x = 3,266,101.72
5. Step 5: Solve for x
   x = 3,266,101.72/2,172.18
6. Step 6: Final answer
   x = 1,503.61