Finding the Fourth Proportional to 9,887.38, 13,649.52 and 5,694.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887.38 : 13,649.52 = 5,694.82 : x
2. Step 2: Convert to fraction form
   9,887.38/13,649.52 = 5,694.82/x
3. Step 3: Cross multiply
   9,887.38x = 13,649.52 × 5,694.82
4. Step 4: Simplify right side
   9,887.38x = 77,731,559.49
5. Step 5: Solve for x
   x = 77,731,559.49/9,887.38
6. Step 6: Final answer
   x = 7,861.69