Finding the Fourth Proportional to 9,905.78, 14,859.14 and 4,061.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.78 : 14,859.14 = 4,061.95 : x
2. Step 2: Convert to fraction form
   9,905.78/14,859.14 = 4,061.95/x
3. Step 3: Cross multiply
   9,905.78x = 14,859.14 × 4,061.95
4. Step 4: Simplify right side
   9,905.78x = 60,357,083.72
5. Step 5: Solve for x
   x = 60,357,083.72/9,905.78
6. Step 6: Final answer
   x = 6,093.12