Finding the Fourth Proportional to 104,068.18, 143,614.06 and 56,321.52

Step by Step Solution

1. Step 1: Write the proportion equation
   104,068.18 : 143,614.06 = 56,321.52 : x
2. Step 2: Convert to fraction form
   104,068.18/143,614.06 = 56,321.52/x
3. Step 3: Cross multiply
   104,068.18x = 143,614.06 × 56,321.52
4. Step 4: Simplify right side
   104,068.18x = 8,088,562,152.57
5. Step 5: Solve for x
   x = 8,088,562,152.57/104,068.18
6. Step 6: Final answer
   x = 77,723.68