Finding the Fourth Proportional to 37,054.16, 51,139.68 and 21,945.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,054.16 : 51,139.68 = 21,945.60 : x
2. Step 2: Convert to fraction form
   37,054.16/51,139.68 = 21,945.60/x
3. Step 3: Cross multiply
   37,054.16x = 51,139.68 × 21,945.60
4. Step 4: Simplify right side
   37,054.16x = 1,122,290,961.41
5. Step 5: Solve for x
   x = 1,122,290,961.41/37,054.16
6. Step 6: Final answer
   x = 30,287.85