Finding the Fourth Proportional to 9,051.48, 12,490.56 and 5,073.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.48 : 12,490.56 = 5,073.12 : x
2. Step 2: Convert to fraction form
   9,051.48/12,490.56 = 5,073.12/x
3. Step 3: Cross multiply
   9,051.48x = 12,490.56 × 5,073.12
4. Step 4: Simplify right side
   9,051.48x = 63,366,109.75
5. Step 5: Solve for x
   x = 63,366,109.75/9,051.48
6. Step 6: Final answer
   x = 7,000.64