Finding the Fourth Proportional to 10,935.05, 16,402.64 and 3,915.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.05 : 16,402.64 = 3,915.32 : x
2. Step 2: Convert to fraction form
   10,935.05/16,402.64 = 3,915.32/x
3. Step 3: Cross multiply
   10,935.05x = 16,402.64 × 3,915.32
4. Step 4: Simplify right side
   10,935.05x = 64,221,482.86
5. Step 5: Solve for x
   x = 64,221,482.86/10,935.05
6. Step 6: Final answer
   x = 5,873.00