Finding the Fourth Proportional to 1,656,851.16, 2,485,272.56 and 458,769.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656,851.16 : 2,485,272.56 = 458,769.48 : x
2. Step 2: Convert to fraction form
   1,656,851.16/2,485,272.56 = 458,769.48/x
3. Step 3: Cross multiply
   1,656,851.16x = 2,485,272.56 × 458,769.48
4. Step 4: Simplify right side
   1,656,851.16x = 1,140,167,200,009.47
5. Step 5: Solve for x
   x = 1,140,167,200,009.47/1,656,851.16
6. Step 6: Final answer
   x = 688,153.06