Finding the Fourth Proportional to 11,733.34, 16,191.98 and 6,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,733.34 : 16,191.98 = 6,428.10 : x
2. Step 2: Convert to fraction form
   11,733.34/16,191.98 = 6,428.10/x
3. Step 3: Cross multiply
   11,733.34x = 16,191.98 × 6,428.10
4. Step 4: Simplify right side
   11,733.34x = 104,083,666.64
5. Step 5: Solve for x
   x = 104,083,666.64/11,733.34
6. Step 6: Final answer
   x = 8,870.76