Finding the Fourth Proportional to 37,168.30, 55,722.72 and 19,390.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,168.30 : 55,722.72 = 19,390.06 : x
2. Step 2: Convert to fraction form
   37,168.30/55,722.72 = 19,390.06/x
3. Step 3: Cross multiply
   37,168.30x = 55,722.72 × 19,390.06
4. Step 4: Simplify right side
   37,168.30x = 1,080,466,884.16
5. Step 5: Solve for x
   x = 1,080,466,884.16/37,168.30
6. Step 6: Final answer
   x = 29,069.58