Finding the Fourth Proportional to 11,737.89, 17,607.65 and 3,417.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,737.89 : 17,607.65 = 3,417.98 : x
2. Step 2: Convert to fraction form
   11,737.89/17,607.65 = 3,417.98/x
3. Step 3: Cross multiply
   11,737.89x = 17,607.65 × 3,417.98
4. Step 4: Simplify right side
   11,737.89x = 60,182,490.42
5. Step 5: Solve for x
   x = 60,182,490.42/11,737.89
6. Step 6: Final answer
   x = 5,127.20