Finding the Fourth Proportional to 28,114, 42,171.42 and 7,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,114 : 42,171.42 = 7,337.50 : x
2. Step 2: Convert to fraction form
   28,114/42,171.42 = 7,337.50/x
3. Step 3: Cross multiply
   28,114x = 42,171.42 × 7,337.50
4. Step 4: Simplify right side
   28,114x = 309,432,794.25
5. Step 5: Solve for x
   x = 309,432,794.25/28,114
6. Step 6: Final answer
   x = 11,006.36