Finding the Fourth Proportional to 9,856.38, 14,784.21 and 2,930.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.38 : 14,784.21 = 2,930.70 : x
2. Step 2: Convert to fraction form
   9,856.38/14,784.21 = 2,930.70/x
3. Step 3: Cross multiply
   9,856.38x = 14,784.21 × 2,930.70
4. Step 4: Simplify right side
   9,856.38x = 43,328,084.25
5. Step 5: Solve for x
   x = 43,328,084.25/9,856.38
6. Step 6: Final answer
   x = 4,395.94