Finding the Fourth Proportional to 78,710.94, 108,623.40 and 42,903.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,710.94 : 108,623.40 = 42,903.27 : x
2. Step 2: Convert to fraction form
   78,710.94/108,623.40 = 42,903.27/x
3. Step 3: Cross multiply
   78,710.94x = 108,623.40 × 42,903.27
4. Step 4: Simplify right side
   78,710.94x = 4,660,299,058.52
5. Step 5: Solve for x
   x = 4,660,299,058.52/78,710.94
6. Step 6: Final answer
   x = 59,207.77