Finding the Fourth Proportional to 10,050.86, 13,870.17 and 5,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.86 : 13,870.17 = 5,574.50 : x
2. Step 2: Convert to fraction form
   10,050.86/13,870.17 = 5,574.50/x
3. Step 3: Cross multiply
   10,050.86x = 13,870.17 × 5,574.50
4. Step 4: Simplify right side
   10,050.86x = 77,319,262.67
5. Step 5: Solve for x
   x = 77,319,262.67/10,050.86
6. Step 6: Final answer
   x = 7,692.80