Finding the Fourth Proportional to 381,861.76, 572,748.72 and 101,401.60

Step by Step Solution

1. Step 1: Write the proportion equation
   381,861.76 : 572,748.72 = 101,401.60 : x
2. Step 2: Convert to fraction form
   381,861.76/572,748.72 = 101,401.60/x
3. Step 3: Cross multiply
   381,861.76x = 572,748.72 × 101,401.60
4. Step 4: Simplify right side
   381,861.76x = 58,077,636,605.95
5. Step 5: Solve for x
   x = 58,077,636,605.95/381,861.76
6. Step 6: Final answer
   x = 152,090.74