Finding the Fourth Proportional to 2,059,574.08, 3,089,322.24 and 639,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,574.08 : 3,089,322.24 = 639,598.72 : x
2. Step 2: Convert to fraction form
   2,059,574.08/3,089,322.24 = 639,598.72/x
3. Step 3: Cross multiply
   2,059,574.08x = 3,089,322.24 × 639,598.72
4. Step 4: Simplify right side
   2,059,574.08x = 1,975,926,550,371.53
5. Step 5: Solve for x
   x = 1,975,926,550,371.53/2,059,574.08
6. Step 6: Final answer
   x = 959,386.01