Finding the Fourth Proportional to 37,900,414.56, 56,837,891.76 and 12,335,411.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,900,414.56 : 56,837,891.76 = 12,335,411.76 : x
2. Step 2: Convert to fraction form
   37,900,414.56/56,837,891.76 = 12,335,411.76/x
3. Step 3: Cross multiply
   37,900,414.56x = 56,837,891.76 × 12,335,411.76
4. Step 4: Simplify right side
   37,900,414.56x = 701,118,798,429,911
5. Step 5: Solve for x
   x = 701,118,798,429,911/37,900,414.56
6. Step 6: Final answer
   x = 18,498,974.39