Finding the Fourth Proportional to 38,870.52, 58,309.94 and 10,790.69

Step by Step Solution

1. Step 1: Write the proportion equation
   38,870.52 : 58,309.94 = 10,790.69 : x
2. Step 2: Convert to fraction form
   38,870.52/58,309.94 = 10,790.69/x
3. Step 3: Cross multiply
   38,870.52x = 58,309.94 × 10,790.69
4. Step 4: Simplify right side
   38,870.52x = 629,204,486.46
5. Step 5: Solve for x
   x = 629,204,486.46/38,870.52
6. Step 6: Final answer
   x = 16,187.19