Finding the Fourth Proportional to 10,887.45, 16,332.69 and 3,490.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,887.45 : 16,332.69 = 3,490.17 : x
2. Step 2: Convert to fraction form
   10,887.45/16,332.69 = 3,490.17/x
3. Step 3: Cross multiply
   10,887.45x = 16,332.69 × 3,490.17
4. Step 4: Simplify right side
   10,887.45x = 57,003,864.66
5. Step 5: Solve for x
   x = 57,003,864.66/10,887.45
6. Step 6: Final answer
   x = 5,235.74