Finding the Fourth Proportional to 37,485,540.24, 56,235,979.35 and 12,890,272.59

Step by Step Solution

1. Step 1: Write the proportion equation
   37,485,540.24 : 56,235,979.35 = 12,890,272.59 : x
2. Step 2: Convert to fraction form
   37,485,540.24/56,235,979.35 = 12,890,272.59/x
3. Step 3: Cross multiply
   37,485,540.24x = 56,235,979.35 × 12,890,272.59
4. Step 4: Simplify right side
   37,485,540.24x = 724,897,103,187,111
5. Step 5: Solve for x
   x = 724,897,103,187,111/37,485,540.24
6. Step 6: Final answer
   x = 19,338,046.05