Finding the Fourth Proportional to 223,078.78, 334,593.69 and 65,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   223,078.78 : 334,593.69 = 65,308.78 : x
2. Step 2: Convert to fraction form
   223,078.78/334,593.69 = 65,308.78/x
3. Step 3: Cross multiply
   223,078.78x = 334,593.69 × 65,308.78
4. Step 4: Simplify right side
   223,078.78x = 21,851,905,689.60
5. Step 5: Solve for x
   x = 21,851,905,689.60/223,078.78
6. Step 6: Final answer
   x = 97,956.00