Finding the Fourth Proportional to 65,894.50, 98,830.63 and 18,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,894.50 : 98,830.63 = 18,498.72 : x
2. Step 2: Convert to fraction form
   65,894.50/98,830.63 = 18,498.72/x
3. Step 3: Cross multiply
   65,894.50x = 98,830.63 × 18,498.72
4. Step 4: Simplify right side
   65,894.50x = 1,828,240,151.79
5. Step 5: Solve for x
   x = 1,828,240,151.79/65,894.50
6. Step 6: Final answer
   x = 27,744.96