Finding the Fourth Proportional to 104,111.89, 143,675.13 and 56,365.36

Step by Step Solution

1. Step 1: Write the proportion equation
   104,111.89 : 143,675.13 = 56,365.36 : x
2. Step 2: Convert to fraction form
   104,111.89/143,675.13 = 56,365.36/x
3. Step 3: Cross multiply
   104,111.89x = 143,675.13 × 56,365.36
4. Step 4: Simplify right side
   104,111.89x = 8,098,300,425.50
5. Step 5: Solve for x
   x = 8,098,300,425.50/104,111.89
6. Step 6: Final answer
   x = 77,784.59