Finding the Fourth Proportional to 42,346.41, 58,412.39 and 28,006.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,346.41 : 58,412.39 = 28,006.17 : x
2. Step 2: Convert to fraction form
   42,346.41/58,412.39 = 28,006.17/x
3. Step 3: Cross multiply
   42,346.41x = 58,412.39 × 28,006.17
4. Step 4: Simplify right side
   42,346.41x = 1,635,907,184.42
5. Step 5: Solve for x
   x = 1,635,907,184.42/42,346.41
6. Step 6: Final answer
   x = 38,631.54