Finding the Fourth Proportional to 66,084.16, 91,196.18 and 35,869.48

Step by Step Solution

1. Step 1: Write the proportion equation
   66,084.16 : 91,196.18 = 35,869.48 : x
2. Step 2: Convert to fraction form
   66,084.16/91,196.18 = 35,869.48/x
3. Step 3: Cross multiply
   66,084.16x = 91,196.18 × 35,869.48
4. Step 4: Simplify right side
   66,084.16x = 3,271,159,554.59
5. Step 5: Solve for x
   x = 3,271,159,554.59/66,084.16
6. Step 6: Final answer
   x = 49,499.90