Finding the Fourth Proportional to 10,900.02, 16,335.63 and 3,967.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.02 : 16,335.63 = 3,967.86 : x
2. Step 2: Convert to fraction form
   10,900.02/16,335.63 = 3,967.86/x
3. Step 3: Cross multiply
   10,900.02x = 16,335.63 × 3,967.86
4. Step 4: Simplify right side
   10,900.02x = 64,817,492.85
5. Step 5: Solve for x
   x = 64,817,492.85/10,900.02
6. Step 6: Final answer
   x = 5,946.55