Finding the Fourth Proportional to 79,483.25, 109,686.57 and 45,491.60

Step by Step Solution

1. Step 1: Write the proportion equation
   79,483.25 : 109,686.57 = 45,491.60 : x
2. Step 2: Convert to fraction form
   79,483.25/109,686.57 = 45,491.60/x
3. Step 3: Cross multiply
   79,483.25x = 109,686.57 × 45,491.60
4. Step 4: Simplify right side
   79,483.25x = 4,989,817,019.38
5. Step 5: Solve for x
   x = 4,989,817,019.38/79,483.25
6. Step 6: Final answer
   x = 62,778.22