Finding the Fourth Proportional to 188,720,926.20, 282,949,775.34 and 83,619,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   188,720,926.20 : 282,949,775.34 = 83,619,105.30 : x
2. Step 2: Convert to fraction form
   188,720,926.20/282,949,775.34 = 83,619,105.30/x
3. Step 3: Cross multiply
   188,720,926.20x = 282,949,775.34 × 83,619,105.30
4. Step 4: Simplify right side
   188,720,926.20x = 23,660,007,058,766,800
5. Step 5: Solve for x
   x = 23,660,007,058,766,800/188,720,926.20
6. Step 6: Final answer
   x = 125,370,341.99