Finding the Fourth Proportional to 203,697, 305,553.78 and 97,026.12

Step by Step Solution

1. Step 1: Write the proportion equation
   203,697 : 305,553.78 = 97,026.12 : x
2. Step 2: Convert to fraction form
   203,697/305,553.78 = 97,026.12/x
3. Step 3: Cross multiply
   203,697x = 305,553.78 × 97,026.12
4. Step 4: Simplify right side
   203,697x = 29,646,697,724.73
5. Step 5: Solve for x
   x = 29,646,697,724.73/203,697
6. Step 6: Final answer
   x = 145,543.12