Finding the Fourth Proportional to 10,935.35, 16,403.00 and 4,691.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.35 : 16,403.00 = 4,691.31 : x
2. Step 2: Convert to fraction form
   10,935.35/16,403.00 = 4,691.31/x
3. Step 3: Cross multiply
   10,935.35x = 16,403.00 × 4,691.31
4. Step 4: Simplify right side
   10,935.35x = 76,951,534.47
5. Step 5: Solve for x
   x = 76,951,534.47/10,935.35
6. Step 6: Final answer
   x = 7,036.96