Finding the Fourth Proportional to 1,615,665.06, 2,423,490.24 and 417,485.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,665.06 : 2,423,490.24 = 417,485.52 : x
2. Step 2: Convert to fraction form
   1,615,665.06/2,423,490.24 = 417,485.52/x
3. Step 3: Cross multiply
   1,615,665.06x = 2,423,490.24 × 417,485.52
4. Step 4: Simplify right side
   1,615,665.06x = 1,011,772,083,061.33
5. Step 5: Solve for x
   x = 1,011,772,083,061.33/1,615,665.06
6. Step 6: Final answer
   x = 626,226.38