Finding the Fourth Proportional to 146,055.34, 201,556.98 and 78,987.34

Step by Step Solution

1. Step 1: Write the proportion equation
   146,055.34 : 201,556.98 = 78,987.34 : x
2. Step 2: Convert to fraction form
   146,055.34/201,556.98 = 78,987.34/x
3. Step 3: Cross multiply
   146,055.34x = 201,556.98 × 78,987.34
4. Step 4: Simplify right side
   146,055.34x = 15,920,449,399.45
5. Step 5: Solve for x
   x = 15,920,449,399.45/146,055.34
6. Step 6: Final answer
   x = 109,002.86