Finding the Fourth Proportional to 99,716,920.62, 149,628,043.89 and 70,757,885.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,716,920.62 : 149,628,043.89 = 70,757,885.88 : x
2. Step 2: Convert to fraction form
   99,716,920.62/149,628,043.89 = 70,757,885.88/x
3. Step 3: Cross multiply
   99,716,920.62x = 149,628,043.89 × 70,757,885.88
4. Step 4: Simplify right side
   99,716,920.62x = 10,587,364,054,016,250
5. Step 5: Solve for x
   x = 10,587,364,054,016,250/99,716,920.62
6. Step 6: Final answer
   x = 106,174,197.80