Finding the Fourth Proportional to 4,893.98, 7,342.06 and 1,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,893.98 : 7,342.06 = 1,431.50 : x
2. Step 2: Convert to fraction form
   4,893.98/7,342.06 = 1,431.50/x
3. Step 3: Cross multiply
   4,893.98x = 7,342.06 × 1,431.50
4. Step 4: Simplify right side
   4,893.98x = 10,510,158.89
5. Step 5: Solve for x
   x = 10,510,158.89/4,893.98
6. Step 6: Final answer
   x = 2,147.57