Finding the Fourth Proportional to 79,342.50, 109,492.74 and 45,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,342.50 : 109,492.74 = 45,808.50 : x
2. Step 2: Convert to fraction form
   79,342.50/109,492.74 = 45,808.50/x
3. Step 3: Cross multiply
   79,342.50x = 109,492.74 × 45,808.50
4. Step 4: Simplify right side
   79,342.50x = 5,015,698,180.29
5. Step 5: Solve for x
   x = 5,015,698,180.29/79,342.50
6. Step 6: Final answer
   x = 63,215.78