Finding the Fourth Proportional to 13,761.83, 18,990.82 and 7,474.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,761.83 : 18,990.82 = 7,474.07 : x
2. Step 2: Convert to fraction form
   13,761.83/18,990.82 = 7,474.07/x
3. Step 3: Cross multiply
   13,761.83x = 18,990.82 × 7,474.07
4. Step 4: Simplify right side
   13,761.83x = 141,938,774.86
5. Step 5: Solve for x
   x = 141,938,774.86/13,761.83
6. Step 6: Final answer
   x = 10,313.94