Finding the Fourth Proportional to 10,735.61, 16,098.29 and 3,978.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,735.61 : 16,098.29 = 3,978.99 : x
2. Step 2: Convert to fraction form
   10,735.61/16,098.29 = 3,978.99/x
3. Step 3: Cross multiply
   10,735.61x = 16,098.29 × 3,978.99
4. Step 4: Simplify right side
   10,735.61x = 64,054,985.12
5. Step 5: Solve for x
   x = 64,054,985.12/10,735.61
6. Step 6: Final answer
   x = 5,966.59