Finding the Fourth Proportional to 1,026,008.82, 1,538,940.24 and 315,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026,008.82 : 1,538,940.24 = 315,962.82 : x
2. Step 2: Convert to fraction form
   1,026,008.82/1,538,940.24 = 315,962.82/x
3. Step 3: Cross multiply
   1,026,008.82x = 1,538,940.24 × 315,962.82
4. Step 4: Simplify right side
   1,026,008.82x = 486,247,898,041.88
5. Step 5: Solve for x
   x = 486,247,898,041.88/1,026,008.82
6. Step 6: Final answer
   x = 473,921.75