Finding the Fourth Proportional to 90,832.86, 136,052.37 and 43,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,832.86 : 136,052.37 = 43,987.50 : x
2. Step 2: Convert to fraction form
   90,832.86/136,052.37 = 43,987.50/x
3. Step 3: Cross multiply
   90,832.86x = 136,052.37 × 43,987.50
4. Step 4: Simplify right side
   90,832.86x = 5,984,603,625.38
5. Step 5: Solve for x
   x = 5,984,603,625.38/90,832.86
6. Step 6: Final answer
   x = 65,885.89