Finding the Fourth Proportional to 64,764.94, 89,324.96 and 42,111.26

Step by Step Solution

1. Step 1: Write the proportion equation
   64,764.94 : 89,324.96 = 42,111.26 : x
2. Step 2: Convert to fraction form
   64,764.94/89,324.96 = 42,111.26/x
3. Step 3: Cross multiply
   64,764.94x = 89,324.96 × 42,111.26
4. Step 4: Simplify right side
   64,764.94x = 3,761,586,615.05
5. Step 5: Solve for x
   x = 3,761,586,615.05/64,764.94
6. Step 6: Final answer
   x = 58,080.60