Finding the Fourth Proportional to 10,772.48, 14,873.67 and 7,801.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,772.48 : 14,873.67 = 7,801.80 : x
2. Step 2: Convert to fraction form
   10,772.48/14,873.67 = 7,801.80/x
3. Step 3: Cross multiply
   10,772.48x = 14,873.67 × 7,801.80
4. Step 4: Simplify right side
   10,772.48x = 116,041,398.61
5. Step 5: Solve for x
   x = 116,041,398.61/10,772.48
6. Step 6: Final answer
   x = 10,772.03