Finding the Fourth Proportional to 37,638, 56,645.82 and 28,326.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,638 : 56,645.82 = 28,326.24 : x
2. Step 2: Convert to fraction form
   37,638/56,645.82 = 28,326.24/x
3. Step 3: Cross multiply
   37,638x = 56,645.82 × 28,326.24
4. Step 4: Simplify right side
   37,638x = 1,604,563,092.32
5. Step 5: Solve for x
   x = 1,604,563,092.32/37,638
6. Step 6: Final answer
   x = 42,631.47