Finding the Fourth Proportional to 683,978.04, 1,026,018.63 and 204,167.95

Step by Step Solution

1. Step 1: Write the proportion equation
   683,978.04 : 1,026,018.63 = 204,167.95 : x
2. Step 2: Convert to fraction form
   683,978.04/1,026,018.63 = 204,167.95/x
3. Step 3: Cross multiply
   683,978.04x = 1,026,018.63 × 204,167.95
4. Step 4: Simplify right side
   683,978.04x = 209,480,117,783.86
5. Step 5: Solve for x
   x = 209,480,117,783.86/683,978.04
6. Step 6: Final answer
   x = 306,267.31