Finding the Fourth Proportional to 104,928.67, 144,801.59 and 57,182.03

Step by Step Solution

1. Step 1: Write the proportion equation
   104,928.67 : 144,801.59 = 57,182.03 : x
2. Step 2: Convert to fraction form
   104,928.67/144,801.59 = 57,182.03/x
3. Step 3: Cross multiply
   104,928.67x = 144,801.59 × 57,182.03
4. Step 4: Simplify right side
   104,928.67x = 8,280,047,853.51
5. Step 5: Solve for x
   x = 8,280,047,853.51/104,928.67
6. Step 6: Final answer
   x = 78,911.21