Finding the Fourth Proportional to 1,665,799,958.53, 2,498,980,855.89 and 560,141,986.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,799,958.53 : 2,498,980,855.89 = 560,141,986.76 : x
2. Step 2: Convert to fraction form
   1,665,799,958.53/2,498,980,855.89 = 560,141,986.76/x
3. Step 3: Cross multiply
   1,665,799,958.53x = 2,498,980,855.89 × 560,141,986.76
4. Step 4: Simplify right side
   1,665,799,958.53x = 1,399,784,101,493,429,760
5. Step 5: Solve for x
   x = 1,399,784,101,493,429,760/1,665,799,958.53
6. Step 6: Final answer
   x = 840,307,441.67