Finding the Fourth Proportional to 9,200.42, 13,783.28 and 5,440.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.42 : 13,783.28 = 5,440.98 : x
2. Step 2: Convert to fraction form
   9,200.42/13,783.28 = 5,440.98/x
3. Step 3: Cross multiply
   9,200.42x = 13,783.28 × 5,440.98
4. Step 4: Simplify right side
   9,200.42x = 74,994,523.61
5. Step 5: Solve for x
   x = 74,994,523.61/9,200.42
6. Step 6: Final answer
   x = 8,151.21