Finding the Fourth Proportional to 37,978.38, 52,405.65 and 22,870.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.38 : 52,405.65 = 22,870.80 : x
2. Step 2: Convert to fraction form
   37,978.38/52,405.65 = 22,870.80/x
3. Step 3: Cross multiply
   37,978.38x = 52,405.65 × 22,870.80
4. Step 4: Simplify right side
   37,978.38x = 1,198,559,140.02
5. Step 5: Solve for x
   x = 1,198,559,140.02/37,978.38
6. Step 6: Final answer
   x = 31,558.99