Finding the Fourth Proportional to 91,016.15, 136,585.76 and 31,852.35

Step by Step Solution

1. Step 1: Write the proportion equation
   91,016.15 : 136,585.76 = 31,852.35 : x
2. Step 2: Convert to fraction form
   91,016.15/136,585.76 = 31,852.35/x
3. Step 3: Cross multiply
   91,016.15x = 136,585.76 × 31,852.35
4. Step 4: Simplify right side
   91,016.15x = 4,350,577,273.27
5. Step 5: Solve for x
   x = 4,350,577,273.27/91,016.15
6. Step 6: Final answer
   x = 47,800.06