Finding the Fourth Proportional to 60,428.96, 83,414.42 and 51,896.82

Step by Step Solution

1. Step 1: Write the proportion equation
   60,428.96 : 83,414.42 = 51,896.82 : x
2. Step 2: Convert to fraction form
   60,428.96/83,414.42 = 51,896.82/x
3. Step 3: Cross multiply
   60,428.96x = 83,414.42 × 51,896.82
4. Step 4: Simplify right side
   60,428.96x = 4,328,943,140.14
5. Step 5: Solve for x
   x = 4,328,943,140.14/60,428.96
6. Step 6: Final answer
   x = 71,636.90