Finding the Fourth Proportional to 2,178,451.35, 3,264,687.63 and 1,378,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,451.35 : 3,264,687.63 = 1,378,300.50 : x
2. Step 2: Convert to fraction form
   2,178,451.35/3,264,687.63 = 1,378,300.50/x
3. Step 3: Cross multiply
   2,178,451.35x = 3,264,687.63 × 1,378,300.50
4. Step 4: Simplify right side
   2,178,451.35x = 4,499,720,592,772.81
5. Step 5: Solve for x
   x = 4,499,720,592,772.81/2,178,451.35
6. Step 6: Final answer
   x = 2,065,559.37