Finding the Fourth Proportional to 37,758,671.59, 56,638,335.17 and 12,199,683.73

Step by Step Solution

1. Step 1: Write the proportion equation
   37,758,671.59 : 56,638,335.17 = 12,199,683.73 : x
2. Step 2: Convert to fraction form
   37,758,671.59/56,638,335.17 = 12,199,683.73/x
3. Step 3: Cross multiply
   37,758,671.59x = 56,638,335.17 × 12,199,683.73
4. Step 4: Simplify right side
   37,758,671.59x = 690,969,776,067,735.88
5. Step 5: Solve for x
   x = 690,969,776,067,735.88/37,758,671.59
6. Step 6: Final answer
   x = 18,299,631.50