Finding the Fourth Proportional to 104,568.18, 156,839.31 and 61,899

Step by Step Solution

1. Step 1: Write the proportion equation
   104,568.18 : 156,839.31 = 61,899 : x
2. Step 2: Convert to fraction form
   104,568.18/156,839.31 = 61,899/x
3. Step 3: Cross multiply
   104,568.18x = 156,839.31 × 61,899
4. Step 4: Simplify right side
   104,568.18x = 9,708,196,449.69
5. Step 5: Solve for x
   x = 9,708,196,449.69/104,568.18
6. Step 6: Final answer
   x = 92,840.83