Finding the Fourth Proportional to 91,016.28, 136,585.90 and 31,852.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,016.28 : 136,585.90 = 31,852.46 : x
2. Step 2: Convert to fraction form
   91,016.28/136,585.90 = 31,852.46/x
3. Step 3: Cross multiply
   91,016.28x = 136,585.90 × 31,852.46
4. Step 4: Simplify right side
   91,016.28x = 4,350,596,916.31
5. Step 5: Solve for x
   x = 4,350,596,916.31/91,016.28
6. Step 6: Final answer
   x = 47,800.21