Finding the Fourth Proportional to 9,178.38, 13,762.53 and 4,245.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,178.38 : 13,762.53 = 4,245.30 : x
2. Step 2: Convert to fraction form
   9,178.38/13,762.53 = 4,245.30/x
3. Step 3: Cross multiply
   9,178.38x = 13,762.53 × 4,245.30
4. Step 4: Simplify right side
   9,178.38x = 58,426,068.61
5. Step 5: Solve for x
   x = 58,426,068.61/9,178.38
6. Step 6: Final answer
   x = 6,365.62