Finding the Fourth Proportional to 86,974.91, 130,499.49 and 37,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,974.91 : 130,499.49 = 37,078.50 : x
2. Step 2: Convert to fraction form
   86,974.91/130,499.49 = 37,078.50/x
3. Step 3: Cross multiply
   86,974.91x = 130,499.49 × 37,078.50
4. Step 4: Simplify right side
   86,974.91x = 4,838,725,339.97
5. Step 5: Solve for x
   x = 4,838,725,339.97/86,974.91
6. Step 6: Final answer
   x = 55,633.58