Finding the Fourth Proportional to 23,555.31, 35,337.84 and 7,761.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,555.31 : 35,337.84 = 7,761.30 : x
2. Step 2: Convert to fraction form
   23,555.31/35,337.84 = 7,761.30/x
3. Step 3: Cross multiply
   23,555.31x = 35,337.84 × 7,761.30
4. Step 4: Simplify right side
   23,555.31x = 274,267,577.59
5. Step 5: Solve for x
   x = 274,267,577.59/23,555.31
6. Step 6: Final answer
   x = 11,643.56