Finding the Fourth Proportional to 65,301.15, 90,109.29 and 36,621.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,301.15 : 90,109.29 = 36,621.98 : x
2. Step 2: Convert to fraction form
   65,301.15/90,109.29 = 36,621.98/x
3. Step 3: Cross multiply
   65,301.15x = 90,109.29 × 36,621.98
4. Step 4: Simplify right side
   65,301.15x = 3,299,980,585.32
5. Step 5: Solve for x
   x = 3,299,980,585.32/65,301.15
6. Step 6: Final answer
   x = 50,534.80