Finding the Fourth Proportional to 65,549.72, 90,461.32 and 36,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,549.72 : 90,461.32 = 36,870.72 : x
2. Step 2: Convert to fraction form
   65,549.72/90,461.32 = 36,870.72/x
3. Step 3: Cross multiply
   65,549.72x = 90,461.32 × 36,870.72
4. Step 4: Simplify right side
   65,549.72x = 3,335,374,077.99
5. Step 5: Solve for x
   x = 3,335,374,077.99/65,549.72
6. Step 6: Final answer
   x = 50,883.12