Finding the Fourth Proportional to 80,693,208.63, 121,055,158.00 and 55,870,300.73

Step by Step Solution

1. Step 1: Write the proportion equation
   80,693,208.63 : 121,055,158.00 = 55,870,300.73 : x
2. Step 2: Convert to fraction form
   80,693,208.63/121,055,158.00 = 55,870,300.73/x
3. Step 3: Cross multiply
   80,693,208.63x = 121,055,158.00 × 55,870,300.73
4. Step 4: Simplify right side
   80,693,208.63x = 6,763,388,081,632,714
5. Step 5: Solve for x
   x = 6,763,388,081,632,714/80,693,208.63
6. Step 6: Final answer
   x = 83,816,075.68