Finding the Fourth Proportional to 86,974.40, 130,478.34 and 37,053.56

Step by Step Solution

1. Step 1: Write the proportion equation
   86,974.40 : 130,478.34 = 37,053.56 : x
2. Step 2: Convert to fraction form
   86,974.40/130,478.34 = 37,053.56/x
3. Step 3: Cross multiply
   86,974.40x = 130,478.34 × 37,053.56
4. Step 4: Simplify right side
   86,974.40x = 4,834,686,999.89
5. Step 5: Solve for x
   x = 4,834,686,999.89/86,974.40
6. Step 6: Final answer
   x = 55,587.47