Finding the Fourth Proportional to 104,141.89, 143,715.89 and 56,395.29

Step by Step Solution

1. Step 1: Write the proportion equation
   104,141.89 : 143,715.89 = 56,395.29 : x
2. Step 2: Convert to fraction form
   104,141.89/143,715.89 = 56,395.29/x
3. Step 3: Cross multiply
   104,141.89x = 143,715.89 × 56,395.29
4. Step 4: Simplify right side
   104,141.89x = 8,104,899,012.18
5. Step 5: Solve for x
   x = 8,104,899,012.18/104,141.89
6. Step 6: Final answer
   x = 77,825.54