Finding the Fourth Proportional to 155,758.83, 214,948.17 and 91,266.18

Step by Step Solution

1. Step 1: Write the proportion equation
   155,758.83 : 214,948.17 = 91,266.18 : x
2. Step 2: Convert to fraction form
   155,758.83/214,948.17 = 91,266.18/x
3. Step 3: Cross multiply
   155,758.83x = 214,948.17 × 91,266.18
4. Step 4: Simplify right side
   155,758.83x = 19,617,498,373.89
5. Step 5: Solve for x
   x = 19,617,498,373.89/155,758.83
6. Step 6: Final answer
   x = 125,947.91