Finding the Fourth Proportional to 109,297,967.49, 150,733,522.62 and 90,683,623.17

Step by Step Solution

1. Step 1: Write the proportion equation
   109,297,967.49 : 150,733,522.62 = 90,683,623.17 : x
2. Step 2: Convert to fraction form
   109,297,967.49/150,733,522.62 = 90,683,623.17/x
3. Step 3: Cross multiply
   109,297,967.49x = 150,733,522.62 × 90,683,623.17
4. Step 4: Simplify right side
   109,297,967.49x = 13,669,061,964,358,752
5. Step 5: Solve for x
   x = 13,669,061,964,358,752/109,297,967.49
6. Step 6: Final answer
   x = 125,062,361.89