Finding the Fourth Proportional to 65,498.84, 90,388.35 and 35,690.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,498.84 : 90,388.35 = 35,690.84 : x
2. Step 2: Convert to fraction form
   65,498.84/90,388.35 = 35,690.84/x
3. Step 3: Cross multiply
   65,498.84x = 90,388.35 × 35,690.84
4. Step 4: Simplify right side
   65,498.84x = 3,226,035,685.77
5. Step 5: Solve for x
   x = 3,226,035,685.77/65,498.84
6. Step 6: Final answer
   x = 49,253.33