Finding the Fourth Proportional to 83,408.15, 115,111.53 and 47,603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,408.15 : 115,111.53 = 47,603.59 : x
2. Step 2: Convert to fraction form
   83,408.15/115,111.53 = 47,603.59/x
3. Step 3: Cross multiply
   83,408.15x = 115,111.53 × 47,603.59
4. Step 4: Simplify right side
   83,408.15x = 5,479,721,790.61
5. Step 5: Solve for x
   x = 5,479,721,790.61/83,408.15
6. Step 6: Final answer
   x = 65,697.68