Finding the Fourth Proportional to 7,907.28, 10,897.05 and 5,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,907.28 : 10,897.05 = 5,665.32 : x
2. Step 2: Convert to fraction form
   7,907.28/10,897.05 = 5,665.32/x
3. Step 3: Cross multiply
   7,907.28x = 10,897.05 × 5,665.32
4. Step 4: Simplify right side
   7,907.28x = 61,735,275.31
5. Step 5: Solve for x
   x = 61,735,275.31/7,907.28
6. Step 6: Final answer
   x = 7,807.40