Finding the Fourth Proportional to 23,580.07, 35,362.59 and 7,782.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.07 : 35,362.59 = 7,782.15 : x
2. Step 2: Convert to fraction form
   23,580.07/35,362.59 = 7,782.15/x
3. Step 3: Cross multiply
   23,580.07x = 35,362.59 × 7,782.15
4. Step 4: Simplify right side
   23,580.07x = 275,196,979.77
5. Step 5: Solve for x
   x = 275,196,979.77/23,580.07
6. Step 6: Final answer
   x = 11,670.74