Finding the Fourth Proportional to 9,051.73, 12,491.89 and 5,018.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.73 : 12,491.89 = 5,018.48 : x
2. Step 2: Convert to fraction form
   9,051.73/12,491.89 = 5,018.48/x
3. Step 3: Cross multiply
   9,051.73x = 12,491.89 × 5,018.48
4. Step 4: Simplify right side
   9,051.73x = 62,690,300.13
5. Step 5: Solve for x
   x = 62,690,300.13/9,051.73
6. Step 6: Final answer
   x = 6,925.78