Finding the Fourth Proportional to 9,759.63, 13,467.44 and 5,780.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759.63 : 13,467.44 = 5,780.07 : x
2. Step 2: Convert to fraction form
   9,759.63/13,467.44 = 5,780.07/x
3. Step 3: Cross multiply
   9,759.63x = 13,467.44 × 5,780.07
4. Step 4: Simplify right side
   9,759.63x = 77,842,717.02
5. Step 5: Solve for x
   x = 77,842,717.02/9,759.63
6. Step 6: Final answer
   x = 7,975.99