Finding the Fourth Proportional to 9,943.34, 14,921.82 and 4,099.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.34 : 14,921.82 = 4,099.90 : x
2. Step 2: Convert to fraction form
   9,943.34/14,921.82 = 4,099.90/x
3. Step 3: Cross multiply
   9,943.34x = 14,921.82 × 4,099.90
4. Step 4: Simplify right side
   9,943.34x = 61,177,969.82
5. Step 5: Solve for x
   x = 61,177,969.82/9,943.34
6. Step 6: Final answer
   x = 6,152.66