Finding the Fourth Proportional to 409,012,993.24, 613,532,086.98 and 178,863,610.84

Step by Step Solution

1. Step 1: Write the proportion equation
   409,012,993.24 : 613,532,086.98 = 178,863,610.84 : x
2. Step 2: Convert to fraction form
   409,012,993.24/613,532,086.98 = 178,863,610.84/x
3. Step 3: Cross multiply
   409,012,993.24x = 613,532,086.98 × 178,863,610.84
4. Step 4: Simplify right side
   409,012,993.24x = 109,738,564,443,443,760
5. Step 5: Solve for x
   x = 109,738,564,443,443,760/409,012,993.24
6. Step 6: Final answer
   x = 268,300,925.05