Finding the Fourth Proportional to 37,182,648.64, 51,313,299.69 and 20,663,469.46

Step by Step Solution

1. Step 1: Write the proportion equation
   37,182,648.64 : 51,313,299.69 = 20,663,469.46 : x
2. Step 2: Convert to fraction form
   37,182,648.64/51,313,299.69 = 20,663,469.46/x
3. Step 3: Cross multiply
   37,182,648.64x = 51,313,299.69 × 20,663,469.46
4. Step 4: Simplify right side
   37,182,648.64x = 1,060,310,801,036,142.50
5. Step 5: Solve for x
   x = 1,060,310,801,036,142.50/37,182,648.64
6. Step 6: Final answer
   x = 28,516,279.50