Finding the Fourth Proportional to 80,908.42, 111,657.40 and 45,098.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,908.42 : 111,657.40 = 45,098.69 : x
2. Step 2: Convert to fraction form
   80,908.42/111,657.40 = 45,098.69/x
3. Step 3: Cross multiply
   80,908.42x = 111,657.40 × 45,098.69
4. Step 4: Simplify right side
   80,908.42x = 5,035,602,468.81
5. Step 5: Solve for x
   x = 5,035,602,468.81/80,908.42
6. Step 6: Final answer
   x = 62,238.30