Finding the Fourth Proportional to 9,981.82, 14,953.29 and 4,421.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.82 : 14,953.29 = 4,421.98 : x
2. Step 2: Convert to fraction form
   9,981.82/14,953.29 = 4,421.98/x
3. Step 3: Cross multiply
   9,981.82x = 14,953.29 × 4,421.98
4. Step 4: Simplify right side
   9,981.82x = 66,123,149.31
5. Step 5: Solve for x
   x = 66,123,149.31/9,981.82
6. Step 6: Final answer
   x = 6,624.36