Finding the Fourth Proportional to 2,016,186.10, 3,024,279.15 and 686,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016,186.10 : 3,024,279.15 = 686,490.10 : x
2. Step 2: Convert to fraction form
   2,016,186.10/3,024,279.15 = 686,490.10/x
3. Step 3: Cross multiply
   2,016,186.10x = 3,024,279.15 × 686,490.10
4. Step 4: Simplify right side
   2,016,186.10x = 2,076,137,696,111.41
5. Step 5: Solve for x
   x = 2,076,137,696,111.41/2,016,186.10
6. Step 6: Final answer
   x = 1,029,735.15