Finding the Fourth Proportional to 122,506.15, 183,513.18 and 55,854.59

Step by Step Solution

1. Step 1: Write the proportion equation
   122,506.15 : 183,513.18 = 55,854.59 : x
2. Step 2: Convert to fraction form
   122,506.15/183,513.18 = 55,854.59/x
3. Step 3: Cross multiply
   122,506.15x = 183,513.18 × 55,854.59
4. Step 4: Simplify right side
   122,506.15x = 10,250,053,428.50
5. Step 5: Solve for x
   x = 10,250,053,428.50/122,506.15
6. Step 6: Final answer
   x = 83,669.70