Finding the Fourth Proportional to 65,730.69, 98,654.63 and 30,690.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,730.69 : 98,654.63 = 30,690.09 : x
2. Step 2: Convert to fraction form
   65,730.69/98,654.63 = 30,690.09/x
3. Step 3: Cross multiply
   65,730.69x = 98,654.63 × 30,690.09
4. Step 4: Simplify right side
   65,730.69x = 3,027,719,320.17
5. Step 5: Solve for x
   x = 3,027,719,320.17/65,730.69
6. Step 6: Final answer
   x = 46,062.49