Finding the Fourth Proportional to 80,903.34, 111,643.52 and 45,091.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,903.34 : 111,643.52 = 45,091.62 : x
2. Step 2: Convert to fraction form
   80,903.34/111,643.52 = 45,091.62/x
3. Step 3: Cross multiply
   80,903.34x = 111,643.52 × 45,091.62
4. Step 4: Simplify right side
   80,903.34x = 5,034,186,953.84
5. Step 5: Solve for x
   x = 5,034,186,953.84/80,903.34
6. Step 6: Final answer
   x = 62,224.71