Finding the Fourth Proportional to 11,200.02, 16,801.84 and 3,407

Step by Step Solution

1. Step 1: Write the proportion equation
   11,200.02 : 16,801.84 = 3,407 : x
2. Step 2: Convert to fraction form
   11,200.02/16,801.84 = 3,407/x
3. Step 3: Cross multiply
   11,200.02x = 16,801.84 × 3,407
4. Step 4: Simplify right side
   11,200.02x = 57,243,868.88
5. Step 5: Solve for x
   x = 57,243,868.88/11,200.02
6. Step 6: Final answer
   x = 5,111.05