Finding the Fourth Proportional to 60,801, 91,126.62 and 43,175.40

Step by Step Solution

1. Step 1: Write the proportion equation
   60,801 : 91,126.62 = 43,175.40 : x
2. Step 2: Convert to fraction form
   60,801/91,126.62 = 43,175.40/x
3. Step 3: Cross multiply
   60,801x = 91,126.62 × 43,175.40
4. Step 4: Simplify right side
   60,801x = 3,934,428,269.15
5. Step 5: Solve for x
   x = 3,934,428,269.15/60,801
6. Step 6: Final answer
   x = 64,709.93