Finding the Fourth Proportional to 65,499.84, 90,389.73 and 35,691.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,499.84 : 90,389.73 = 35,691.84 : x
2. Step 2: Convert to fraction form
   65,499.84/90,389.73 = 35,691.84/x
3. Step 3: Cross multiply
   65,499.84x = 90,389.73 × 35,691.84
4. Step 4: Simplify right side
   65,499.84x = 3,226,175,780.80
5. Step 5: Solve for x
   x = 3,226,175,780.80/65,499.84
6. Step 6: Final answer
   x = 49,254.71