Finding the Fourth Proportional to 78,303.72, 108,056.04 and 42,492.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,303.72 : 108,056.04 = 42,492.48 : x
2. Step 2: Convert to fraction form
   78,303.72/108,056.04 = 42,492.48/x
3. Step 3: Cross multiply
   78,303.72x = 108,056.04 × 42,492.48
4. Step 4: Simplify right side
   78,303.72x = 4,591,569,118.58
5. Step 5: Solve for x
   x = 4,591,569,118.58/78,303.72
6. Step 6: Final answer
   x = 58,637.94