Finding the Fourth Proportional to 42,368.05, 58,445.98 and 28,751.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,368.05 : 58,445.98 = 28,751.41 : x
2. Step 2: Convert to fraction form
   42,368.05/58,445.98 = 28,751.41/x
3. Step 3: Cross multiply
   42,368.05x = 58,445.98 × 28,751.41
4. Step 4: Simplify right side
   42,368.05x = 1,680,404,333.83
5. Step 5: Solve for x
   x = 1,680,404,333.83/42,368.05
6. Step 6: Final answer
   x = 39,662.06