Finding the Fourth Proportional to 86,981.34, 130,521.15 and 37,056.18

Step by Step Solution

1. Step 1: Write the proportion equation
   86,981.34 : 130,521.15 = 37,056.18 : x
2. Step 2: Convert to fraction form
   86,981.34/130,521.15 = 37,056.18/x
3. Step 3: Cross multiply
   86,981.34x = 130,521.15 × 37,056.18
4. Step 4: Simplify right side
   86,981.34x = 4,836,615,228.21
5. Step 5: Solve for x
   x = 4,836,615,228.21/86,981.34
6. Step 6: Final answer
   x = 55,605.20