Finding the Fourth Proportional to 99,540.30, 149,259.67 and 32,956.40

Step by Step Solution

1. Step 1: Write the proportion equation
   99,540.30 : 149,259.67 = 32,956.40 : x
2. Step 2: Convert to fraction form
   99,540.30/149,259.67 = 32,956.40/x
3. Step 3: Cross multiply
   99,540.30x = 149,259.67 × 32,956.40
4. Step 4: Simplify right side
   99,540.30x = 4,919,061,596.03
5. Step 5: Solve for x
   x = 4,919,061,596.03/99,540.30
6. Step 6: Final answer
   x = 49,417.79