Finding the Fourth Proportional to 155,266.63, 214,253.81 and 89,844.15

Step by Step Solution

1. Step 1: Write the proportion equation
   155,266.63 : 214,253.81 = 89,844.15 : x
2. Step 2: Convert to fraction form
   155,266.63/214,253.81 = 89,844.15/x
3. Step 3: Cross multiply
   155,266.63x = 214,253.81 × 89,844.15
4. Step 4: Simplify right side
   155,266.63x = 19,249,451,443.71
5. Step 5: Solve for x
   x = 19,249,451,443.71/155,266.63
6. Step 6: Final answer
   x = 123,976.75