Finding the Fourth Proportional to 124,143.84, 186,069.83 and 57,443.04

Step by Step Solution

1. Step 1: Write the proportion equation
   124,143.84 : 186,069.83 = 57,443.04 : x
2. Step 2: Convert to fraction form
   124,143.84/186,069.83 = 57,443.04/x
3. Step 3: Cross multiply
   124,143.84x = 186,069.83 × 57,443.04
4. Step 4: Simplify right side
   124,143.84x = 10,688,416,400.27
5. Step 5: Solve for x
   x = 10,688,416,400.27/124,143.84
6. Step 6: Final answer
   x = 86,097.03