Finding the Fourth Proportional to 79,688.56, 109,968.06 and 45,702.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,688.56 : 109,968.06 = 45,702.76 : x
2. Step 2: Convert to fraction form
   79,688.56/109,968.06 = 45,702.76/x
3. Step 3: Cross multiply
   79,688.56x = 109,968.06 × 45,702.76
4. Step 4: Simplify right side
   79,688.56x = 5,025,843,853.85
5. Step 5: Solve for x
   x = 5,025,843,853.85/79,688.56
6. Step 6: Final answer
   x = 63,068.57