Finding the Fourth Proportional to 10,985.38, 16,484.55 and 4,064.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,985.38 : 16,484.55 = 4,064.74 : x
2. Step 2: Convert to fraction form
   10,985.38/16,484.55 = 4,064.74/x
3. Step 3: Cross multiply
   10,985.38x = 16,484.55 × 4,064.74
4. Step 4: Simplify right side
   10,985.38x = 67,005,409.77
5. Step 5: Solve for x
   x = 67,005,409.77/10,985.38
6. Step 6: Final answer
   x = 6,099.51