Finding the Fourth Proportional to 107,522.02, 161,300.04 and 28,642.60

Step by Step Solution

1. Step 1: Write the proportion equation
   107,522.02 : 161,300.04 = 28,642.60 : x
2. Step 2: Convert to fraction form
   107,522.02/161,300.04 = 28,642.60/x
3. Step 3: Cross multiply
   107,522.02x = 161,300.04 × 28,642.60
4. Step 4: Simplify right side
   107,522.02x = 4,620,052,525.70
5. Step 5: Solve for x
   x = 4,620,052,525.70/107,522.02
6. Step 6: Final answer
   x = 42,968.43