Finding the Fourth Proportional to 11,870.04, 17,798.00 and 3,970.64

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.04 : 17,798.00 = 3,970.64 : x
2. Step 2: Convert to fraction form
   11,870.04/17,798.00 = 3,970.64/x
3. Step 3: Cross multiply
   11,870.04x = 17,798.00 × 3,970.64
4. Step 4: Simplify right side
   11,870.04x = 70,669,375.25
5. Step 5: Solve for x
   x = 70,669,375.25/11,870.04
6. Step 6: Final answer
   x = 5,953.59