Finding the Fourth Proportional to 2,009,143.42, 2,771,513.64 and 1,272,749.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,143.42 : 2,771,513.64 = 1,272,749.10 : x
2. Step 2: Convert to fraction form
   2,009,143.42/2,771,513.64 = 1,272,749.10/x
3. Step 3: Cross multiply
   2,009,143.42x = 2,771,513.64 × 1,272,749.10
4. Step 4: Simplify right side
   2,009,143.42x = 3,527,441,490,947.72
5. Step 5: Solve for x
   x = 3,527,441,490,947.72/2,009,143.42
6. Step 6: Final answer
   x = 1,755,694.22