Finding the Fourth Proportional to 10,946.40, 16,415.55 and 3,551.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,946.40 : 16,415.55 = 3,551.10 : x
2. Step 2: Convert to fraction form
   10,946.40/16,415.55 = 3,551.10/x
3. Step 3: Cross multiply
   10,946.40x = 16,415.55 × 3,551.10
4. Step 4: Simplify right side
   10,946.40x = 58,293,259.61
5. Step 5: Solve for x
   x = 58,293,259.61/10,946.40
6. Step 6: Final answer
   x = 5,325.34