Finding the Fourth Proportional to 9,930.31, 14,897.52 and 2,910.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.31 : 14,897.52 = 2,910.56 : x
2. Step 2: Convert to fraction form
   9,930.31/14,897.52 = 2,910.56/x
3. Step 3: Cross multiply
   9,930.31x = 14,897.52 × 2,910.56
4. Step 4: Simplify right side
   9,930.31x = 43,360,079.26
5. Step 5: Solve for x
   x = 43,360,079.26/9,930.31
6. Step 6: Final answer
   x = 4,366.44