Finding the Fourth Proportional to 9,870, 14,807.34 and 2,944.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870 : 14,807.34 = 2,944.68 : x
2. Step 2: Convert to fraction form
   9,870/14,807.34 = 2,944.68/x
3. Step 3: Cross multiply
   9,870x = 14,807.34 × 2,944.68
4. Step 4: Simplify right side
   9,870x = 43,602,877.95
5. Step 5: Solve for x
   x = 43,602,877.95/9,870
6. Step 6: Final answer
   x = 4,417.72