Finding the Fourth Proportional to 104,173.89, 143,760.02 and 56,427.27

Step by Step Solution

1. Step 1: Write the proportion equation
   104,173.89 : 143,760.02 = 56,427.27 : x
2. Step 2: Convert to fraction form
   104,173.89/143,760.02 = 56,427.27/x
3. Step 3: Cross multiply
   104,173.89x = 143,760.02 × 56,427.27
4. Step 4: Simplify right side
   104,173.89x = 8,111,985,181.61
5. Step 5: Solve for x
   x = 8,111,985,181.61/104,173.89
6. Step 6: Final answer
   x = 77,869.66