Finding the Fourth Proportional to 103,799, 143,242.78 and 59,087

Step by Step Solution

1. Step 1: Write the proportion equation
   103,799 : 143,242.78 = 59,087 : x
2. Step 2: Convert to fraction form
   103,799/143,242.78 = 59,087/x
3. Step 3: Cross multiply
   103,799x = 143,242.78 × 59,087
4. Step 4: Simplify right side
   103,799x = 8,463,786,141.86
5. Step 5: Solve for x
   x = 8,463,786,141.86/103,799
6. Step 6: Final answer
   x = 81,540.15