Finding the Fourth Proportional to 381,763.84, 572,499.72 and 125,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   381,763.84 : 572,499.72 = 125,536.72 : x
2. Step 2: Convert to fraction form
   381,763.84/572,499.72 = 125,536.72/x
3. Step 3: Cross multiply
   381,763.84x = 572,499.72 × 125,536.72
4. Step 4: Simplify right side
   381,763.84x = 71,869,737,049.72
5. Step 5: Solve for x
   x = 71,869,737,049.72/381,763.84
6. Step 6: Final answer
   x = 188,257.06