Finding the Fourth Proportional to 86,673,870.79, 119,505,350.90 and 74,891,845.69

Step by Step Solution

1. Step 1: Write the proportion equation
   86,673,870.79 : 119,505,350.90 = 74,891,845.69 : x
2. Step 2: Convert to fraction form
   86,673,870.79/119,505,350.90 = 74,891,845.69/x
3. Step 3: Cross multiply
   86,673,870.79x = 119,505,350.90 × 74,891,845.69
4. Step 4: Simplify right side
   86,673,870.79x = 8,949,976,298,620,569
5. Step 5: Solve for x
   x = 8,949,976,298,620,569/86,673,870.79
6. Step 6: Final answer
   x = 103,260,373.83