Finding the Fourth Proportional to 13,075.48, 18,046.56 and 7,773.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,075.48 : 18,046.56 = 7,773.22 : x
2. Step 2: Convert to fraction form
   13,075.48/18,046.56 = 7,773.22/x
3. Step 3: Cross multiply
   13,075.48x = 18,046.56 × 7,773.22
4. Step 4: Simplify right side
   13,075.48x = 140,279,881.12
5. Step 5: Solve for x
   x = 140,279,881.12/13,075.48
6. Step 6: Final answer
   x = 10,728.47