Finding the Fourth Proportional to 91,016.02, 136,585.53 and 31,852.21

Step by Step Solution

1. Step 1: Write the proportion equation
   91,016.02 : 136,585.53 = 31,852.21 : x
2. Step 2: Convert to fraction form
   91,016.02/136,585.53 = 31,852.21/x
3. Step 3: Cross multiply
   91,016.02x = 136,585.53 × 31,852.21
4. Step 4: Simplify right side
   91,016.02x = 4,350,550,984.52
5. Step 5: Solve for x
   x = 4,350,550,984.52/91,016.02
6. Step 6: Final answer
   x = 47,799.84