Finding the Fourth Proportional to 2,009,142.42, 2,771,512.26 and 1,272,748.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,142.42 : 2,771,512.26 = 1,272,748.10 : x
2. Step 2: Convert to fraction form
   2,009,142.42/2,771,512.26 = 1,272,748.10/x
3. Step 3: Cross multiply
   2,009,142.42x = 2,771,512.26 × 1,272,748.10
4. Step 4: Simplify right side
   2,009,142.42x = 3,527,436,963,041.71
5. Step 5: Solve for x
   x = 3,527,436,963,041.71/2,009,142.42
6. Step 6: Final answer
   x = 1,755,692.84