Finding the Fourth Proportional to 222,740,111.16, 307,383,451.50 and 124,957,066.68

Step by Step Solution

1. Step 1: Write the proportion equation
   222,740,111.16 : 307,383,451.50 = 124,957,066.68 : x
2. Step 2: Convert to fraction form
   222,740,111.16/307,383,451.50 = 124,957,066.68/x
3. Step 3: Cross multiply
   222,740,111.16x = 307,383,451.50 × 124,957,066.68
4. Step 4: Simplify right side
   222,740,111.16x = 38,409,734,445,414,048
5. Step 5: Solve for x
   x = 38,409,734,445,414,048/222,740,111.16
6. Step 6: Final answer
   x = 172,441,929.05