Finding the Fourth Proportional to 91,221.60, 136,776.50 and 32,064.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91,221.60 : 136,776.50 = 32,064.06 : x
2. Step 2: Convert to fraction form
   91,221.60/136,776.50 = 32,064.06/x
3. Step 3: Cross multiply
   91,221.60x = 136,776.50 × 32,064.06
4. Step 4: Simplify right side
   91,221.60x = 4,385,609,902.59
5. Step 5: Solve for x
   x = 4,385,609,902.59/91,221.60
6. Step 6: Final answer
   x = 48,076.44