Finding the Fourth Proportional to 1,592,501.05, 2,388,736.72 and 645,646.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592,501.05 : 2,388,736.72 = 645,646.69 : x
2. Step 2: Convert to fraction form
   1,592,501.05/2,388,736.72 = 645,646.69/x
3. Step 3: Cross multiply
   1,592,501.05x = 2,388,736.72 × 645,646.69
4. Step 4: Simplify right side
   1,592,501.05x = 1,542,279,956,549.46
5. Step 5: Solve for x
   x = 1,542,279,956,549.46/1,592,501.05
6. Step 6: Final answer
   x = 968,464.01