Finding the Fourth Proportional to 9,834.63, 14,743.03 and 4,905.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.63 : 14,743.03 = 4,905.78 : x
2. Step 2: Convert to fraction form
   9,834.63/14,743.03 = 4,905.78/x
3. Step 3: Cross multiply
   9,834.63x = 14,743.03 × 4,905.78
4. Step 4: Simplify right side
   9,834.63x = 72,326,061.71
5. Step 5: Solve for x
   x = 72,326,061.71/9,834.63
6. Step 6: Final answer
   x = 7,354.22