Finding the Fourth Proportional to 39,019.08, 53,807.98 and 38,395.78

Step by Step Solution

1. Step 1: Write the proportion equation
   39,019.08 : 53,807.98 = 38,395.78 : x
2. Step 2: Convert to fraction form
   39,019.08/53,807.98 = 38,395.78/x
3. Step 3: Cross multiply
   39,019.08x = 53,807.98 × 38,395.78
4. Step 4: Simplify right side
   39,019.08x = 2,065,999,362.32
5. Step 5: Solve for x
   x = 2,065,999,362.32/39,019.08
6. Step 6: Final answer
   x = 52,948.44