Finding the Fourth Proportional to 42,741.37, 58,991.23 and 28,179.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,741.37 : 58,991.23 = 28,179.98 : x
2. Step 2: Convert to fraction form
   42,741.37/58,991.23 = 28,179.98/x
3. Step 3: Cross multiply
   42,741.37x = 58,991.23 × 28,179.98
4. Step 4: Simplify right side
   42,741.37x = 1,662,371,681.58
5. Step 5: Solve for x
   x = 1,662,371,681.58/42,741.37
6. Step 6: Final answer
   x = 38,893.74