Finding the Fourth Proportional to 10,961.13, 16,434.47 and 3,937.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961.13 : 16,434.47 = 3,937.62 : x
2. Step 2: Convert to fraction form
   10,961.13/16,434.47 = 3,937.62/x
3. Step 3: Cross multiply
   10,961.13x = 16,434.47 × 3,937.62
4. Step 4: Simplify right side
   10,961.13x = 64,712,697.76
5. Step 5: Solve for x
   x = 64,712,697.76/10,961.13
6. Step 6: Final answer
   x = 5,903.83