Finding the Fourth Proportional to 9,947.34, 14,927.82 and 4,103.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.34 : 14,927.82 = 4,103.90 : x
2. Step 2: Convert to fraction form
   9,947.34/14,927.82 = 4,103.90/x
3. Step 3: Cross multiply
   9,947.34x = 14,927.82 × 4,103.90
4. Step 4: Simplify right side
   9,947.34x = 61,262,280.50
5. Step 5: Solve for x
   x = 61,262,280.50/9,947.34
6. Step 6: Final answer
   x = 6,158.66