Finding the Fourth Proportional to 124,819.84, 187,064.16 and 54,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,819.84 : 187,064.16 = 54,622.72 : x
2. Step 2: Convert to fraction form
   124,819.84/187,064.16 = 54,622.72/x
3. Step 3: Cross multiply
   124,819.84x = 187,064.16 × 54,622.72
4. Step 4: Simplify right side
   124,819.84x = 10,217,953,233.72
5. Step 5: Solve for x
   x = 10,217,953,233.72/124,819.84
6. Step 6: Final answer
   x = 81,861.61