Finding the Fourth Proportional to 42,630.96, 58,804.64 and 28,291.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,630.96 : 58,804.64 = 28,291.52 : x
2. Step 2: Convert to fraction form
   42,630.96/58,804.64 = 28,291.52/x
3. Step 3: Cross multiply
   42,630.96x = 58,804.64 × 28,291.52
4. Step 4: Simplify right side
   42,630.96x = 1,663,672,648.65
5. Step 5: Solve for x
   x = 1,663,672,648.65/42,630.96
6. Step 6: Final answer
   x = 39,024.99