Finding the Fourth Proportional to 243,408.27, 365,113.78 and 65,916.82

Step by Step Solution

1. Step 1: Write the proportion equation
   243,408.27 : 365,113.78 = 65,916.82 : x
2. Step 2: Convert to fraction form
   243,408.27/365,113.78 = 65,916.82/x
3. Step 3: Cross multiply
   243,408.27x = 365,113.78 × 65,916.82
4. Step 4: Simplify right side
   243,408.27x = 24,067,139,607.38
5. Step 5: Solve for x
   x = 24,067,139,607.38/243,408.27
6. Step 6: Final answer
   x = 98,875.60