Finding the Fourth Proportional to 86,796.54, 130,150.98 and 42,356.70

Step by Step Solution

1. Step 1: Write the proportion equation
   86,796.54 : 130,150.98 = 42,356.70 : x
2. Step 2: Convert to fraction form
   86,796.54/130,150.98 = 42,356.70/x
3. Step 3: Cross multiply
   86,796.54x = 130,150.98 × 42,356.70
4. Step 4: Simplify right side
   86,796.54x = 5,512,766,014.57
5. Step 5: Solve for x
   x = 5,512,766,014.57/86,796.54
6. Step 6: Final answer
   x = 63,513.66