Finding the Fourth Proportional to 94,683.72, 142,016.94 and 87,259.08

Step by Step Solution

1. Step 1: Write the proportion equation
   94,683.72 : 142,016.94 = 87,259.08 : x
2. Step 2: Convert to fraction form
   94,683.72/142,016.94 = 87,259.08/x
3. Step 3: Cross multiply
   94,683.72x = 142,016.94 × 87,259.08
4. Step 4: Simplify right side
   94,683.72x = 12,392,267,528.82
5. Step 5: Solve for x
   x = 12,392,267,528.82/94,683.72
6. Step 6: Final answer
   x = 130,880.66