Finding the Fourth Proportional to 10,469.84, 14,442.98 and 7,111.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,469.84 : 14,442.98 = 7,111.58 : x
2. Step 2: Convert to fraction form
   10,469.84/14,442.98 = 7,111.58/x
3. Step 3: Cross multiply
   10,469.84x = 14,442.98 × 7,111.58
4. Step 4: Simplify right side
   10,469.84x = 102,712,407.71
5. Step 5: Solve for x
   x = 102,712,407.71/10,469.84
6. Step 6: Final answer
   x = 9,810.31