Finding the Fourth Proportional to 65,870.28, 90,901.29 and 35,655.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,870.28 : 90,901.29 = 35,655.62 : x
2. Step 2: Convert to fraction form
   65,870.28/90,901.29 = 35,655.62/x
3. Step 3: Cross multiply
   65,870.28x = 90,901.29 × 35,655.62
4. Step 4: Simplify right side
   65,870.28x = 3,241,141,588.05
5. Step 5: Solve for x
   x = 3,241,141,588.05/65,870.28
6. Step 6: Final answer
   x = 49,204.92