Finding the Fourth Proportional to 1,055,510.99, 1,582,666.67 and 415,467.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,510.99 : 1,582,666.67 = 415,467.83 : x
2. Step 2: Convert to fraction form
   1,055,510.99/1,582,666.67 = 415,467.83/x
3. Step 3: Cross multiply
   1,055,510.99x = 1,582,666.67 × 415,467.83
4. Step 4: Simplify right side
   1,055,510.99x = 657,547,077,007.55
5. Step 5: Solve for x
   x = 657,547,077,007.55/1,055,510.99
6. Step 6: Final answer
   x = 622,965.64