Finding the Fourth Proportional to 43,498.27, 59,970.49 and 31,388.59

Step by Step Solution

1. Step 1: Write the proportion equation
   43,498.27 : 59,970.49 = 31,388.59 : x
2. Step 2: Convert to fraction form
   43,498.27/59,970.49 = 31,388.59/x
3. Step 3: Cross multiply
   43,498.27x = 59,970.49 × 31,388.59
4. Step 4: Simplify right side
   43,498.27x = 1,882,389,122.71
5. Step 5: Solve for x
   x = 1,882,389,122.71/43,498.27
6. Step 6: Final answer
   x = 43,275.03