Finding the Fourth Proportional to 64,180.71, 96,271.34 and 42,133.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,180.71 : 96,271.34 = 42,133.59 : x
2. Step 2: Convert to fraction form
   64,180.71/96,271.34 = 42,133.59/x
3. Step 3: Cross multiply
   64,180.71x = 96,271.34 × 42,133.59
4. Step 4: Simplify right side
   64,180.71x = 4,056,256,957.64
5. Step 5: Solve for x
   x = 4,056,256,957.64/64,180.71
6. Step 6: Final answer
   x = 63,200.56