Finding the Fourth Proportional to 2,574,543.45, 3,861,844.35 and 777,441.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,543.45 : 3,861,844.35 = 777,441.81 : x
2. Step 2: Convert to fraction form
   2,574,543.45/3,861,844.35 = 777,441.81/x
3. Step 3: Cross multiply
   2,574,543.45x = 3,861,844.35 × 777,441.81
4. Step 4: Simplify right side
   2,574,543.45x = 3,002,359,261,402.27
5. Step 5: Solve for x
   x = 3,002,359,261,402.27/2,574,543.45
6. Step 6: Final answer
   x = 1,166,171.53