Finding the Fourth Proportional to 13,072.78, 19,588.41 and 7,795.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.78 : 19,588.41 = 7,795.32 : x
2. Step 2: Convert to fraction form
   13,072.78/19,588.41 = 7,795.32/x
3. Step 3: Cross multiply
   13,072.78x = 19,588.41 × 7,795.32
4. Step 4: Simplify right side
   13,072.78x = 152,697,997.70
5. Step 5: Solve for x
   x = 152,697,997.70/13,072.78
6. Step 6: Final answer
   x = 11,680.61