Finding the Fourth Proportional to 103,983, 143,496.56 and 56,236.34

Step by Step Solution

1. Step 1: Write the proportion equation
   103,983 : 143,496.56 = 56,236.34 : x
2. Step 2: Convert to fraction form
   103,983/143,496.56 = 56,236.34/x
3. Step 3: Cross multiply
   103,983x = 143,496.56 × 56,236.34
4. Step 4: Simplify right side
   103,983x = 8,069,720,338.33
5. Step 5: Solve for x
   x = 8,069,720,338.33/103,983
6. Step 6: Final answer
   x = 77,606.15