Finding the Fourth Proportional to 93,488,250.57, 140,870,501.49 and 76,822,260.81

Step by Step Solution

1. Step 1: Write the proportion equation
   93,488,250.57 : 140,870,501.49 = 76,822,260.81 : x
2. Step 2: Convert to fraction form
   93,488,250.57/140,870,501.49 = 76,822,260.81/x
3. Step 3: Cross multiply
   93,488,250.57x = 140,870,501.49 × 76,822,260.81
4. Step 4: Simplify right side
   93,488,250.57x = 10,821,990,405,900,274
5. Step 5: Solve for x
   x = 10,821,990,405,900,274/93,488,250.57
6. Step 6: Final answer
   x = 115,757,759.29