Finding the Fourth Proportional to 21,044.32, 31,562.74 and 7,002.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,044.32 : 31,562.74 = 7,002.96 : x
2. Step 2: Convert to fraction form
   21,044.32/31,562.74 = 7,002.96/x
3. Step 3: Cross multiply
   21,044.32x = 31,562.74 × 7,002.96
4. Step 4: Simplify right side
   21,044.32x = 221,032,605.71
5. Step 5: Solve for x
   x = 221,032,605.71/21,044.32
6. Step 6: Final answer
   x = 10,503.20