Finding the Fourth Proportional to 103,833.98, 143,290.96 and 56,087.33

Step by Step Solution

1. Step 1: Write the proportion equation
   103,833.98 : 143,290.96 = 56,087.33 : x
2. Step 2: Convert to fraction form
   103,833.98/143,290.96 = 56,087.33/x
3. Step 3: Cross multiply
   103,833.98x = 143,290.96 × 56,087.33
4. Step 4: Simplify right side
   103,833.98x = 8,036,807,510.38
5. Step 5: Solve for x
   x = 8,036,807,510.38/103,833.98
6. Step 6: Final answer
   x = 77,400.55