Finding the Fourth Proportional to 65,307.32, 90,123.82 and 35,499.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,307.32 : 90,123.82 = 35,499.96 : x
2. Step 2: Convert to fraction form
   65,307.32/90,123.82 = 35,499.96/x
3. Step 3: Cross multiply
   65,307.32x = 90,123.82 × 35,499.96
4. Step 4: Simplify right side
   65,307.32x = 3,199,392,005.05
5. Step 5: Solve for x
   x = 3,199,392,005.05/65,307.32
6. Step 6: Final answer
   x = 48,989.79