Finding the Fourth Proportional to 5,288.89, 7,931.71 and 3,655.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,288.89 : 7,931.71 = 3,655.93 : x
2. Step 2: Convert to fraction form
   5,288.89/7,931.71 = 3,655.93/x
3. Step 3: Cross multiply
   5,288.89x = 7,931.71 × 3,655.93
4. Step 4: Simplify right side
   5,288.89x = 28,997,776.54
5. Step 5: Solve for x
   x = 28,997,776.54/5,288.89
6. Step 6: Final answer
   x = 5,482.77