Finding the Fourth Proportional to 21,045.98, 31,546.76 and 7,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,045.98 : 31,546.76 = 7,002.25 : x
2. Step 2: Convert to fraction form
   21,045.98/31,546.76 = 7,002.25/x
3. Step 3: Cross multiply
   21,045.98x = 31,546.76 × 7,002.25
4. Step 4: Simplify right side
   21,045.98x = 220,898,238.85
5. Step 5: Solve for x
   x = 220,898,238.85/21,045.98
6. Step 6: Final answer
   x = 10,495.99