Finding the Fourth Proportional to 5,075,674.72, 7,610,470.76 and 1,615,919.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,075,674.72 : 7,610,470.76 = 1,615,919.20 : x
2. Step 2: Convert to fraction form
   5,075,674.72/7,610,470.76 = 1,615,919.20/x
3. Step 3: Cross multiply
   5,075,674.72x = 7,610,470.76 × 1,615,919.20
4. Step 4: Simplify right side
   5,075,674.72x = 12,297,905,822,122.59
5. Step 5: Solve for x
   x = 12,297,905,822,122.59/5,075,674.72
6. Step 6: Final answer
   x = 2,422,910.55