Finding the Fourth Proportional to 1,864,276.56, 2,572,315.89 and 1,089,757.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,276.56 : 2,572,315.89 = 1,089,757.69 : x
2. Step 2: Convert to fraction form
   1,864,276.56/2,572,315.89 = 1,089,757.69/x
3. Step 3: Cross multiply
   1,864,276.56x = 2,572,315.89 × 1,089,757.69
4. Step 4: Simplify right side
   1,864,276.56x = 2,803,201,011,719.31
5. Step 5: Solve for x
   x = 2,803,201,011,719.31/1,864,276.56
6. Step 6: Final answer
   x = 1,503,640.11