Finding the Fourth Proportional to 99,647,859.40, 148,993,492.20 and 73,819,826.80

Step by Step Solution

1. Step 1: Write the proportion equation
   99,647,859.40 : 148,993,492.20 = 73,819,826.80 : x
2. Step 2: Convert to fraction form
   99,647,859.40/148,993,492.20 = 73,819,826.80/x
3. Step 3: Cross multiply
   99,647,859.40x = 148,993,492.20 × 73,819,826.80
4. Step 4: Simplify right side
   99,647,859.40x = 10,998,673,788,531,150
5. Step 5: Solve for x
   x = 10,998,673,788,531,150/99,647,859.40
6. Step 6: Final answer
   x = 110,375,414.53