Finding the Fourth Proportional to 104,100.96, 143,659.30 and 56,354.27

Step by Step Solution

1. Step 1: Write the proportion equation
   104,100.96 : 143,659.30 = 56,354.27 : x
2. Step 2: Convert to fraction form
   104,100.96/143,659.30 = 56,354.27/x
3. Step 3: Cross multiply
   104,100.96x = 143,659.30 × 56,354.27
4. Step 4: Simplify right side
   104,100.96x = 8,095,814,980.21
5. Step 5: Solve for x
   x = 8,095,814,980.21/104,100.96
6. Step 6: Final answer
   x = 77,768.88