Finding the Fourth Proportional to 107,066.21, 160,600.46 and 43,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,066.21 : 160,600.46 = 43,870.10 : x
2. Step 2: Convert to fraction form
   107,066.21/160,600.46 = 43,870.10/x
3. Step 3: Cross multiply
   107,066.21x = 160,600.46 × 43,870.10
4. Step 4: Simplify right side
   107,066.21x = 7,045,557,217.89
5. Step 5: Solve for x
   x = 7,045,557,217.89/107,066.21
6. Step 6: Final answer
   x = 65,805.61