Finding the Fourth Proportional to 6,111.87, 8,434.13 and 3,459.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.87 : 8,434.13 = 3,459.34 : x
2. Step 2: Convert to fraction form
   6,111.87/8,434.13 = 3,459.34/x
3. Step 3: Cross multiply
   6,111.87x = 8,434.13 × 3,459.34
4. Step 4: Simplify right side
   6,111.87x = 29,176,510.84
5. Step 5: Solve for x
   x = 29,176,510.84/6,111.87
6. Step 6: Final answer
   x = 4,773.75