Finding the Fourth Proportional to 93,488,064.57, 140,870,220.63 and 76,822,074.81

Step by Step Solution

1. Step 1: Write the proportion equation
   93,488,064.57 : 140,870,220.63 = 76,822,074.81 : x
2. Step 2: Convert to fraction form
   93,488,064.57/140,870,220.63 = 76,822,074.81/x
3. Step 3: Cross multiply
   93,488,064.57x = 140,870,220.63 × 76,822,074.81
4. Step 4: Simplify right side
   93,488,064.57x = 10,821,942,627,739,066
5. Step 5: Solve for x
   x = 10,821,942,627,739,066/93,488,064.57
6. Step 6: Final answer
   x = 115,757,478.53