Finding the Fourth Proportional to 13,775.82, 19,010.73 and 7,807.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,775.82 : 19,010.73 = 7,807.59 : x
2. Step 2: Convert to fraction form
   13,775.82/19,010.73 = 7,807.59/x
3. Step 3: Cross multiply
   13,775.82x = 19,010.73 × 7,807.59
4. Step 4: Simplify right side
   13,775.82x = 148,427,948.84
5. Step 5: Solve for x
   x = 148,427,948.84/13,775.82
6. Step 6: Final answer
   x = 10,774.53