Finding the Fourth Proportional to 65,404.06, 90,259.58 and 46,318.02

Step by Step Solution

1. Step 1: Write the proportion equation
   65,404.06 : 90,259.58 = 46,318.02 : x
2. Step 2: Convert to fraction form
   65,404.06/90,259.58 = 46,318.02/x
3. Step 3: Cross multiply
   65,404.06x = 90,259.58 × 46,318.02
4. Step 4: Simplify right side
   65,404.06x = 4,180,645,031.63
5. Step 5: Solve for x
   x = 4,180,645,031.63/65,404.06
6. Step 6: Final answer
   x = 63,920.27