Finding the Fourth Proportional to 9,872.06, 14,810.42 and 2,946.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,872.06 : 14,810.42 = 2,946.38 : x
2. Step 2: Convert to fraction form
   9,872.06/14,810.42 = 2,946.38/x
3. Step 3: Cross multiply
   9,872.06x = 14,810.42 × 2,946.38
4. Step 4: Simplify right side
   9,872.06x = 43,637,058.59
5. Step 5: Solve for x
   x = 43,637,058.59/9,872.06
6. Step 6: Final answer
   x = 4,420.26