Finding the Fourth Proportional to 12,730,663.94, 19,095,808.92 and 3,146,042.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,663.94 : 19,095,808.92 = 3,146,042.20 : x
2. Step 2: Convert to fraction form
   12,730,663.94/19,095,808.92 = 3,146,042.20/x
3. Step 3: Cross multiply
   12,730,663.94x = 19,095,808.92 × 3,146,042.20
4. Step 4: Simplify right side
   12,730,663.94x = 60,076,220,705,456.43
5. Step 5: Solve for x
   x = 60,076,220,705,456.43/12,730,663.94
6. Step 6: Final answer
   x = 4,719,017.09