Finding the Fourth Proportional to 14,663.94, 21,995.72 and 3,570.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,663.94 : 21,995.72 = 3,570.64 : x
2. Step 2: Convert to fraction form
   14,663.94/21,995.72 = 3,570.64/x
3. Step 3: Cross multiply
   14,663.94x = 21,995.72 × 3,570.64
4. Step 4: Simplify right side
   14,663.94x = 78,538,669.83
5. Step 5: Solve for x
   x = 78,538,669.83/14,663.94
6. Step 6: Final answer
   x = 5,355.91