Finding the Fourth Proportional to 11,298.31, 16,941.99 and 3,900.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,298.31 : 16,941.99 = 3,900.17 : x
2. Step 2: Convert to fraction form
   11,298.31/16,941.99 = 3,900.17/x
3. Step 3: Cross multiply
   11,298.31x = 16,941.99 × 3,900.17
4. Step 4: Simplify right side
   11,298.31x = 66,076,698.12
5. Step 5: Solve for x
   x = 66,076,698.12/11,298.31
6. Step 6: Final answer
   x = 5,848.37