Finding the Fourth Proportional to 6,642.32, 9,156.38 and 5,461.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642.32 : 9,156.38 = 5,461.34 : x
2. Step 2: Convert to fraction form
   6,642.32/9,156.38 = 5,461.34/x
3. Step 3: Cross multiply
   6,642.32x = 9,156.38 × 5,461.34
4. Step 4: Simplify right side
   6,642.32x = 50,006,095.11
5. Step 5: Solve for x
   x = 50,006,095.11/6,642.32
6. Step 6: Final answer
   x = 7,528.41