Finding the Fourth Proportional to 31,143,755.82, 42,972,149.79 and 17,390,603.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,143,755.82 : 42,972,149.79 = 17,390,603.82 : x
2. Step 2: Convert to fraction form
   31,143,755.82/42,972,149.79 = 17,390,603.82/x
3. Step 3: Cross multiply
   31,143,755.82x = 42,972,149.79 × 17,390,603.82
4. Step 4: Simplify right side
   31,143,755.82x = 747,311,632,291,586.25
5. Step 5: Solve for x
   x = 747,311,632,291,586.25/31,143,755.82
6. Step 6: Final answer
   x = 23,995,552.64