Finding the Fourth Proportional to 91,968.50, 137,987.78 and 32,003.64

Step by Step Solution

1. Step 1: Write the proportion equation
   91,968.50 : 137,987.78 = 32,003.64 : x
2. Step 2: Convert to fraction form
   91,968.50/137,987.78 = 32,003.64/x
3. Step 3: Cross multiply
   91,968.50x = 137,987.78 × 32,003.64
4. Step 4: Simplify right side
   91,968.50x = 4,416,111,544.25
5. Step 5: Solve for x
   x = 4,416,111,544.25/91,968.50
6. Step 6: Final answer
   x = 48,017.65