Finding the Fourth Proportional to 34,005,976.59, 51,009,194.39 and 12,431,702.73

Step by Step Solution

1. Step 1: Write the proportion equation
   34,005,976.59 : 51,009,194.39 = 12,431,702.73 : x
2. Step 2: Convert to fraction form
   34,005,976.59/51,009,194.39 = 12,431,702.73/x
3. Step 3: Cross multiply
   34,005,976.59x = 51,009,194.39 × 12,431,702.73
4. Step 4: Simplify right side
   34,005,976.59x = 634,131,141,091,105.12
5. Step 5: Solve for x
   x = 634,131,141,091,105.12/34,005,976.59
6. Step 6: Final answer
   x = 18,647,637.99