Finding the Fourth Proportional to 5,631.68, 8,429.16 and 5,092.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,631.68 : 8,429.16 = 5,092.76 : x
2. Step 2: Convert to fraction form
   5,631.68/8,429.16 = 5,092.76/x
3. Step 3: Cross multiply
   5,631.68x = 8,429.16 × 5,092.76
4. Step 4: Simplify right side
   5,631.68x = 42,927,688.88
5. Step 5: Solve for x
   x = 42,927,688.88/5,631.68
6. Step 6: Final answer
   x = 7,622.54