Finding the Fourth Proportional to 79,679.38, 109,963.89 and 45,690.98

Step by Step Solution

1. Step 1: Write the proportion equation
   79,679.38 : 109,963.89 = 45,690.98 : x
2. Step 2: Convert to fraction form
   79,679.38/109,963.89 = 45,690.98/x
3. Step 3: Cross multiply
   79,679.38x = 109,963.89 × 45,690.98
4. Step 4: Simplify right side
   79,679.38x = 5,024,357,898.71
5. Step 5: Solve for x
   x = 5,024,357,898.71/79,679.38
6. Step 6: Final answer
   x = 63,057.19