Finding the Fourth Proportional to 2,535,803.77, 3,499,401.94 and 1,389,880.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,803.77 : 3,499,401.94 = 1,389,880.57 : x
2. Step 2: Convert to fraction form
   2,535,803.77/3,499,401.94 = 1,389,880.57/x
3. Step 3: Cross multiply
   2,535,803.77x = 3,499,401.94 × 1,389,880.57
4. Step 4: Simplify right side
   2,535,803.77x = 4,863,750,763,026.31
5. Step 5: Solve for x
   x = 4,863,750,763,026.31/2,535,803.77
6. Step 6: Final answer
   x = 1,918,031.21