Finding the Fourth Proportional to 92,536.16, 138,783.48 and 42,568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   92,536.16 : 138,783.48 = 42,568.28 : x
2. Step 2: Convert to fraction form
   92,536.16/138,783.48 = 42,568.28/x
3. Step 3: Cross multiply
   92,536.16x = 138,783.48 × 42,568.28
4. Step 4: Simplify right side
   92,536.16x = 5,907,774,036.01
5. Step 5: Solve for x
   x = 5,907,774,036.01/92,536.16
6. Step 6: Final answer
   x = 63,842.87