Finding the Fourth Proportional to 81,765,227.82, 122,584,978.35 and 42,331,208.14

Step by Step Solution

1. Step 1: Write the proportion equation
   81,765,227.82 : 122,584,978.35 = 42,331,208.14 : x
2. Step 2: Convert to fraction form
   81,765,227.82/122,584,978.35 = 42,331,208.14/x
3. Step 3: Cross multiply
   81,765,227.82x = 122,584,978.35 × 42,331,208.14
4. Step 4: Simplify right side
   81,765,227.82x = 5,189,170,233,371,244
5. Step 5: Solve for x
   x = 5,189,170,233,371,244/81,765,227.82
6. Step 6: Final answer
   x = 63,464,266.80