Finding the Fourth Proportional to 104,093.82, 143,648.28 and 56,346.12

Step by Step Solution

1. Step 1: Write the proportion equation
   104,093.82 : 143,648.28 = 56,346.12 : x
2. Step 2: Convert to fraction form
   104,093.82/143,648.28 = 56,346.12/x
3. Step 3: Cross multiply
   104,093.82x = 143,648.28 × 56,346.12
4. Step 4: Simplify right side
   104,093.82x = 8,094,023,222.67
5. Step 5: Solve for x
   x = 8,094,023,222.67/104,093.82
6. Step 6: Final answer
   x = 77,757.00