Finding the Fourth Proportional to 9,878.73, 14,810.36 and 4,945.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,878.73 : 14,810.36 = 4,945.89 : x
2. Step 2: Convert to fraction form
   9,878.73/14,810.36 = 4,945.89/x
3. Step 3: Cross multiply
   9,878.73x = 14,810.36 × 4,945.89
4. Step 4: Simplify right side
   9,878.73x = 73,250,386.69
5. Step 5: Solve for x
   x = 73,250,386.69/9,878.73
6. Step 6: Final answer
   x = 7,414.96