Finding the Fourth Proportional to 37,215, 51,356.72 and 20,449.08

Step by Step Solution

1. Step 1: Write the proportion equation
   37,215 : 51,356.72 = 20,449.08 : x
2. Step 2: Convert to fraction form
   37,215/51,356.72 = 20,449.08/x
3. Step 3: Cross multiply
   37,215x = 51,356.72 × 20,449.08
4. Step 4: Simplify right side
   37,215x = 1,050,197,675.82
5. Step 5: Solve for x
   x = 1,050,197,675.82/37,215
6. Step 6: Final answer
   x = 28,219.74