Finding the Fourth Proportional to 14,603.50, 21,900.61 and 4,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,603.50 : 21,900.61 = 4,740.50 : x
2. Step 2: Convert to fraction form
   14,603.50/21,900.61 = 4,740.50/x
3. Step 3: Cross multiply
   14,603.50x = 21,900.61 × 4,740.50
4. Step 4: Simplify right side
   14,603.50x = 103,819,841.71
5. Step 5: Solve for x
   x = 103,819,841.71/14,603.50
6. Step 6: Final answer
   x = 7,109.24