Finding the Fourth Proportional to 42,483.84, 58,630.57 and 28,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.84 : 58,630.57 = 28,118.93 : x
2. Step 2: Convert to fraction form
   42,483.84/58,630.57 = 28,118.93/x
3. Step 3: Cross multiply
   42,483.84x = 58,630.57 × 28,118.93
4. Step 4: Simplify right side
   42,483.84x = 1,648,628,491.54
5. Step 5: Solve for x
   x = 1,648,628,491.54/42,483.84
6. Step 6: Final answer
   x = 38,806.01