Finding the Fourth Proportional to 9,189.02, 12,680.34 and 4,997

Step by Step Solution

1. Step 1: Write the proportion equation
   9,189.02 : 12,680.34 = 4,997 : x
2. Step 2: Convert to fraction form
   9,189.02/12,680.34 = 4,997/x
3. Step 3: Cross multiply
   9,189.02x = 12,680.34 × 4,997
4. Step 4: Simplify right side
   9,189.02x = 63,363,658.98
5. Step 5: Solve for x
   x = 63,363,658.98/9,189.02
6. Step 6: Final answer
   x = 6,895.58