Finding the Fourth Proportional to 104,359.39, 144,012.06 and 56,611.71

Step by Step Solution

1. Step 1: Write the proportion equation
   104,359.39 : 144,012.06 = 56,611.71 : x
2. Step 2: Convert to fraction form
   104,359.39/144,012.06 = 56,611.71/x
3. Step 3: Cross multiply
   104,359.39x = 144,012.06 × 56,611.71
4. Step 4: Simplify right side
   104,359.39x = 8,152,768,977.22
5. Step 5: Solve for x
   x = 8,152,768,977.22/104,359.39
6. Step 6: Final answer
   x = 78,122.05