Finding the Fourth Proportional to 91,085.63, 136,632.55 and 27,901.15

Step by Step Solution

1. Step 1: Write the proportion equation
   91,085.63 : 136,632.55 = 27,901.15 : x
2. Step 2: Convert to fraction form
   91,085.63/136,632.55 = 27,901.15/x
3. Step 3: Cross multiply
   91,085.63x = 136,632.55 × 27,901.15
4. Step 4: Simplify right side
   91,085.63x = 3,812,204,913.41
5. Step 5: Solve for x
   x = 3,812,204,913.41/91,085.63
6. Step 6: Final answer
   x = 41,852.98