Finding the Fourth Proportional to 216,011,648.43, 298,096,859.46 and 116,892,385.06

Step by Step Solution

1. Step 1: Write the proportion equation
   216,011,648.43 : 298,096,859.46 = 116,892,385.06 : x
2. Step 2: Convert to fraction form
   216,011,648.43/298,096,859.46 = 116,892,385.06/x
3. Step 3: Cross multiply
   216,011,648.43x = 298,096,859.46 × 116,892,385.06
4. Step 4: Simplify right side
   216,011,648.43x = 34,845,252,881,175,020
5. Step 5: Solve for x
   x = 34,845,252,881,175,020/216,011,648.43
6. Step 6: Final answer
   x = 161,311,915.98