Finding the Fourth Proportional to 78,746.36, 108,667.60 and 42,937.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,746.36 : 108,667.60 = 42,937.06 : x
2. Step 2: Convert to fraction form
   78,746.36/108,667.60 = 42,937.06/x
3. Step 3: Cross multiply
   78,746.36x = 108,667.60 × 42,937.06
4. Step 4: Simplify right side
   78,746.36x = 4,665,867,261.26
5. Step 5: Solve for x
   x = 4,665,867,261.26/78,746.36
6. Step 6: Final answer
   x = 59,251.85