Finding the Fourth Proportional to 10,348.82, 14,298.10 and 7,218.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,348.82 : 14,298.10 = 7,218.98 : x
2. Step 2: Convert to fraction form
   10,348.82/14,298.10 = 7,218.98/x
3. Step 3: Cross multiply
   10,348.82x = 14,298.10 × 7,218.98
4. Step 4: Simplify right side
   10,348.82x = 103,217,697.94
5. Step 5: Solve for x
   x = 103,217,697.94/10,348.82
6. Step 6: Final answer
   x = 9,973.86