Finding the Fourth Proportional to 9,961.34, 14,937.69 and 3,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,961.34 : 14,937.69 = 3,385.76 : x
2. Step 2: Convert to fraction form
   9,961.34/14,937.69 = 3,385.76/x
3. Step 3: Cross multiply
   9,961.34x = 14,937.69 × 3,385.76
4. Step 4: Simplify right side
   9,961.34x = 50,575,433.29
5. Step 5: Solve for x
   x = 50,575,433.29/9,961.34
6. Step 6: Final answer
   x = 5,077.17