Finding the Fourth Proportional to 39,470.30, 58,917.52 and 34,488

Step by Step Solution

1. Step 1: Write the proportion equation
   39,470.30 : 58,917.52 = 34,488 : x
2. Step 2: Convert to fraction form
   39,470.30/58,917.52 = 34,488/x
3. Step 3: Cross multiply
   39,470.30x = 58,917.52 × 34,488
4. Step 4: Simplify right side
   39,470.30x = 2,031,947,429.76
5. Step 5: Solve for x
   x = 2,031,947,429.76/39,470.30
6. Step 6: Final answer
   x = 51,480.42