Finding the Fourth Proportional to 86,719.46, 130,076.42 and 39,299.83

Step by Step Solution

1. Step 1: Write the proportion equation
   86,719.46 : 130,076.42 = 39,299.83 : x
2. Step 2: Convert to fraction form
   86,719.46/130,076.42 = 39,299.83/x
3. Step 3: Cross multiply
   86,719.46x = 130,076.42 × 39,299.83
4. Step 4: Simplify right side
   86,719.46x = 5,111,980,671.32
5. Step 5: Solve for x
   x = 5,111,980,671.32/86,719.46
6. Step 6: Final answer
   x = 58,948.49