Finding the Fourth Proportional to 12,730,664.31, 19,095,809.48 and 3,146,042.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,664.31 : 19,095,809.48 = 3,146,042.61 : x
2. Step 2: Convert to fraction form
   12,730,664.31/19,095,809.48 = 3,146,042.61/x
3. Step 3: Cross multiply
   12,730,664.31x = 19,095,809.48 × 3,146,042.61
4. Step 4: Simplify right side
   12,730,664.31x = 60,076,230,280,791.73
5. Step 5: Solve for x
   x = 60,076,230,280,791.73/12,730,664.31
6. Step 6: Final answer
   x = 4,719,017.71