Finding the Fourth Proportional to 86,985.72, 130,494.58 and 37,065.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,985.72 : 130,494.58 = 37,065.72 : x
2. Step 2: Convert to fraction form
   86,985.72/130,494.58 = 37,065.72/x
3. Step 3: Cross multiply
   86,985.72x = 130,494.58 × 37,065.72
4. Step 4: Simplify right side
   86,985.72x = 4,836,875,563.80
5. Step 5: Solve for x
   x = 4,836,875,563.80/86,985.72
6. Step 6: Final answer
   x = 55,605.40