Finding the Fourth Proportional to 86,933.88, 130,442.22 and 42,536.34

Step by Step Solution

1. Step 1: Write the proportion equation
   86,933.88 : 130,442.22 = 42,536.34 : x
2. Step 2: Convert to fraction form
   86,933.88/130,442.22 = 42,536.34/x
3. Step 3: Cross multiply
   86,933.88x = 130,442.22 × 42,536.34
4. Step 4: Simplify right side
   86,933.88x = 5,548,534,620.27
5. Step 5: Solve for x
   x = 5,548,534,620.27/86,933.88
6. Step 6: Final answer
   x = 63,824.77