Finding the Fourth Proportional to 66,028.16, 91,118.04 and 35,813

Step by Step Solution

1. Step 1: Write the proportion equation
   66,028.16 : 91,118.04 = 35,813 : x
2. Step 2: Convert to fraction form
   66,028.16/91,118.04 = 35,813/x
3. Step 3: Cross multiply
   66,028.16x = 91,118.04 × 35,813
4. Step 4: Simplify right side
   66,028.16x = 3,263,210,366.52
5. Step 5: Solve for x
   x = 3,263,210,366.52/66,028.16
6. Step 6: Final answer
   x = 49,421.49