Finding the Fourth Proportional to 3,988.50, 5,953.54 and 3,699.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988.50 : 5,953.54 = 3,699.37 : x
2. Step 2: Convert to fraction form
   3,988.50/5,953.54 = 3,699.37/x
3. Step 3: Cross multiply
   3,988.50x = 5,953.54 × 3,699.37
4. Step 4: Simplify right side
   3,988.50x = 22,024,347.27
5. Step 5: Solve for x
   x = 22,024,347.27/3,988.50
6. Step 6: Final answer
   x = 5,521.96