Finding the Fourth Proportional to 12,047.58, 18,068.94 and 6,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,047.58 : 18,068.94 = 6,499.89 : x
2. Step 2: Convert to fraction form
   12,047.58/18,068.94 = 6,499.89/x
3. Step 3: Cross multiply
   12,047.58x = 18,068.94 × 6,499.89
4. Step 4: Simplify right side
   12,047.58x = 117,446,122.42
5. Step 5: Solve for x
   x = 117,446,122.42/12,047.58
6. Step 6: Final answer
   x = 9,748.52