Finding the Fourth Proportional to 1,448,115,492.56, 1,998,465,185.16 and 853,425,074.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,115,492.56 : 1,998,465,185.16 = 853,425,074.96 : x
2. Step 2: Convert to fraction form
   1,448,115,492.56/1,998,465,185.16 = 853,425,074.96/x
3. Step 3: Cross multiply
   1,448,115,492.56x = 1,998,465,185.16 × 853,425,074.96
4. Step 4: Simplify right side
   1,448,115,492.56x = 1,705,540,300,450,123,520
5. Step 5: Solve for x
   x = 1,705,540,300,450,123,520/1,448,115,492.56
6. Step 6: Final answer
   x = 1,177,765,384.88