Finding the Fourth Proportional to 10,937.42, 16,402.10 and 3,915.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,937.42 : 16,402.10 = 3,915.53 : x
2. Step 2: Convert to fraction form
   10,937.42/16,402.10 = 3,915.53/x
3. Step 3: Cross multiply
   10,937.42x = 16,402.10 × 3,915.53
4. Step 4: Simplify right side
   10,937.42x = 64,222,914.61
5. Step 5: Solve for x
   x = 64,222,914.61/10,937.42
6. Step 6: Final answer
   x = 5,871.85