Finding the Fourth Proportional to 11,925.10, 17,887.82 and 3,605.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,925.10 : 17,887.82 = 3,605.19 : x
2. Step 2: Convert to fraction form
   11,925.10/17,887.82 = 3,605.19/x
3. Step 3: Cross multiply
   11,925.10x = 17,887.82 × 3,605.19
4. Step 4: Simplify right side
   11,925.10x = 64,488,989.79
5. Step 5: Solve for x
   x = 64,488,989.79/11,925.10
6. Step 6: Final answer
   x = 5,407.84