Finding the Fourth Proportional to 2,695,218.10, 4,042,827.15 and 1,278,042.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,695,218.10 : 4,042,827.15 = 1,278,042.10 : x
2. Step 2: Convert to fraction form
   2,695,218.10/4,042,827.15 = 1,278,042.10/x
3. Step 3: Cross multiply
   2,695,218.10x = 4,042,827.15 × 1,278,042.10
4. Step 4: Simplify right side
   2,695,218.10x = 5,166,903,300,723.02
5. Step 5: Solve for x
   x = 5,166,903,300,723.02/2,695,218.10
6. Step 6: Final answer
   x = 1,917,063.15