Finding the Fourth Proportional to 103,635, 143,022.78 and 58,923

Step by Step Solution

1. Step 1: Write the proportion equation
   103,635 : 143,022.78 = 58,923 : x
2. Step 2: Convert to fraction form
   103,635/143,022.78 = 58,923/x
3. Step 3: Cross multiply
   103,635x = 143,022.78 × 58,923
4. Step 4: Simplify right side
   103,635x = 8,427,331,265.94
5. Step 5: Solve for x
   x = 8,427,331,265.94/103,635
6. Step 6: Final answer
   x = 81,317.42