Finding the Fourth Proportional to 37,621.83, 56,473.65 and 28,288.62

Step by Step Solution

1. Step 1: Write the proportion equation
   37,621.83 : 56,473.65 = 28,288.62 : x
2. Step 2: Convert to fraction form
   37,621.83/56,473.65 = 28,288.62/x
3. Step 3: Cross multiply
   37,621.83x = 56,473.65 × 28,288.62
4. Step 4: Simplify right side
   37,621.83x = 1,597,561,624.86
5. Step 5: Solve for x
   x = 1,597,561,624.86/37,621.83
6. Step 6: Final answer
   x = 42,463.69