Finding the Fourth Proportional to 8,181,780.63, 12,274,442.50 and 3,133,091.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,181,780.63 : 12,274,442.50 = 3,133,091.31 : x
2. Step 2: Convert to fraction form
   8,181,780.63/12,274,442.50 = 3,133,091.31/x
3. Step 3: Cross multiply
   8,181,780.63x = 12,274,442.50 × 3,133,091.31
4. Step 4: Simplify right side
   8,181,780.63x = 38,456,949,131,844.67
5. Step 5: Solve for x
   x = 38,456,949,131,844.67/8,181,780.63
6. Step 6: Final answer
   x = 4,700,315.36