Finding the Fourth Proportional to 104,092.42, 143,647.50 and 56,346.16

Step by Step Solution

1. Step 1: Write the proportion equation
   104,092.42 : 143,647.50 = 56,346.16 : x
2. Step 2: Convert to fraction form
   104,092.42/143,647.50 = 56,346.16/x
3. Step 3: Cross multiply
   104,092.42x = 143,647.50 × 56,346.16
4. Step 4: Simplify right side
   104,092.42x = 8,093,985,018.60
5. Step 5: Solve for x
   x = 8,093,985,018.60/104,092.42
6. Step 6: Final answer
   x = 77,757.68