Finding the Fourth Proportional to 3,932.42, 5,428.98 and 2,607.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.42 : 5,428.98 = 2,607.93 : x
2. Step 2: Convert to fraction form
   3,932.42/5,428.98 = 2,607.93/x
3. Step 3: Cross multiply
   3,932.42x = 5,428.98 × 2,607.93
4. Step 4: Simplify right side
   3,932.42x = 14,158,399.81
5. Step 5: Solve for x
   x = 14,158,399.81/3,932.42
6. Step 6: Final answer
   x = 3,600.43