Finding the Fourth Proportional to 59,981.08, 89,971.58 and 17,861.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59,981.08 : 89,971.58 = 17,861.76 : x
2. Step 2: Convert to fraction form
   59,981.08/89,971.58 = 17,861.76/x
3. Step 3: Cross multiply
   59,981.08x = 89,971.58 × 17,861.76
4. Step 4: Simplify right side
   59,981.08x = 1,607,050,768.78
5. Step 5: Solve for x
   x = 1,607,050,768.78/59,981.08
6. Step 6: Final answer
   x = 26,792.63