Finding the Fourth Proportional to 37,961,721.24, 52,386,901.46 and 20,557,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,961,721.24 : 52,386,901.46 = 20,557,662.72 : x
2. Step 2: Convert to fraction form
   37,961,721.24/52,386,901.46 = 20,557,662.72/x
3. Step 3: Cross multiply
   37,961,721.24x = 52,386,901.46 × 20,557,662.72
4. Step 4: Simplify right side
   37,961,721.24x = 1,076,952,251,160,555.50
5. Step 5: Solve for x
   x = 1,076,952,251,160,555.50/37,961,721.24
6. Step 6: Final answer
   x = 28,369,426.25