Finding the Fourth Proportional to 10,903.21, 16,356.94 and 3,507.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,903.21 : 16,356.94 = 3,507.10 : x
2. Step 2: Convert to fraction form
   10,903.21/16,356.94 = 3,507.10/x
3. Step 3: Cross multiply
   10,903.21x = 16,356.94 × 3,507.10
4. Step 4: Simplify right side
   10,903.21x = 57,365,374.61
5. Step 5: Solve for x
   x = 57,365,374.61/10,903.21
6. Step 6: Final answer
   x = 5,261.33