Finding the Fourth Proportional to 65,697.51, 98,483.91 and 21,293.05

Step by Step Solution

1. Step 1: Write the proportion equation
   65,697.51 : 98,483.91 = 21,293.05 : x
2. Step 2: Convert to fraction form
   65,697.51/98,483.91 = 21,293.05/x
3. Step 3: Cross multiply
   65,697.51x = 98,483.91 × 21,293.05
4. Step 4: Simplify right side
   65,697.51x = 2,097,022,819.83
5. Step 5: Solve for x
   x = 2,097,022,819.83/65,697.51
6. Step 6: Final answer
   x = 31,919.37