Finding the Fourth Proportional to 104,399.34, 144,071.22 and 56,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,399.34 : 144,071.22 = 56,653.50 : x
2. Step 2: Convert to fraction form
   104,399.34/144,071.22 = 56,653.50/x
3. Step 3: Cross multiply
   104,399.34x = 144,071.22 × 56,653.50
4. Step 4: Simplify right side
   104,399.34x = 8,162,138,862.27
5. Step 5: Solve for x
   x = 8,162,138,862.27/104,399.34
6. Step 6: Final answer
   x = 78,181.90