Finding the Fourth Proportional to 124,124.45, 186,111.61 and 55,723.59

Step by Step Solution

1. Step 1: Write the proportion equation
   124,124.45 : 186,111.61 = 55,723.59 : x
2. Step 2: Convert to fraction form
   124,124.45/186,111.61 = 55,723.59/x
3. Step 3: Cross multiply
   124,124.45x = 186,111.61 × 55,723.59
4. Step 4: Simplify right side
   124,124.45x = 10,370,806,910.57
5. Step 5: Solve for x
   x = 10,370,806,910.57/124,124.45
6. Step 6: Final answer
   x = 83,551.69