Finding the Fourth Proportional to 103,839, 143,297.71 and 56,092.33

Step by Step Solution

1. Step 1: Write the proportion equation
   103,839 : 143,297.71 = 56,092.33 : x
2. Step 2: Convert to fraction form
   103,839/143,297.71 = 56,092.33/x
3. Step 3: Cross multiply
   103,839x = 143,297.71 × 56,092.33
4. Step 4: Simplify right side
   103,839x = 8,037,902,437.56
5. Step 5: Solve for x
   x = 8,037,902,437.56/103,839
6. Step 6: Final answer
   x = 77,407.36