Finding the Fourth Proportional to 103,635.50, 143,017 and 58,923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,635.50 : 143,017 = 58,923.50 : x
2. Step 2: Convert to fraction form
   103,635.50/143,017 = 58,923.50/x
3. Step 3: Cross multiply
   103,635.50x = 143,017 × 58,923.50
4. Step 4: Simplify right side
   103,635.50x = 8,427,062,199.50
5. Step 5: Solve for x
   x = 8,427,062,199.50/103,635.50
6. Step 6: Final answer
   x = 81,314.44