Finding the Fourth Proportional to 109,284,648.18, 150,831,472.20 and 65,233,919.22

Step by Step Solution

1. Step 1: Write the proportion equation
   109,284,648.18 : 150,831,472.20 = 65,233,919.22 : x
2. Step 2: Convert to fraction form
   109,284,648.18/150,831,472.20 = 65,233,919.22/x
3. Step 3: Cross multiply
   109,284,648.18x = 150,831,472.20 × 65,233,919.22
4. Step 4: Simplify right side
   109,284,648.18x = 9,839,328,073,328,474
5. Step 5: Solve for x
   x = 9,839,328,073,328,474/109,284,648.18
6. Step 6: Final answer
   x = 90,033,945.64