Finding the Fourth Proportional to 93,488,249.57, 140,870,499.99 and 76,822,259.81

Step by Step Solution

1. Step 1: Write the proportion equation
   93,488,249.57 : 140,870,499.99 = 76,822,259.81 : x
2. Step 2: Convert to fraction form
   93,488,249.57/140,870,499.99 = 76,822,259.81/x
3. Step 3: Cross multiply
   93,488,249.57x = 140,870,499.99 × 76,822,259.81
4. Step 4: Simplify right side
   93,488,249.57x = 10,821,990,148,803,948
5. Step 5: Solve for x
   x = 10,821,990,148,803,948/93,488,249.57
6. Step 6: Final answer
   x = 115,757,757.78