Finding the Fourth Proportional to 9,910.06, 13,675.80 and 5,434.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.06 : 13,675.80 = 5,434.10 : x
2. Step 2: Convert to fraction form
   9,910.06/13,675.80 = 5,434.10/x
3. Step 3: Cross multiply
   9,910.06x = 13,675.80 × 5,434.10
4. Step 4: Simplify right side
   9,910.06x = 74,315,664.78
5. Step 5: Solve for x
   x = 74,315,664.78/9,910.06
6. Step 6: Final answer
   x = 7,499.01