Finding the Fourth Proportional to 10,345.77, 15,515.89 and 4,501

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.77 : 15,515.89 = 4,501 : x
2. Step 2: Convert to fraction form
   10,345.77/15,515.89 = 4,501/x
3. Step 3: Cross multiply
   10,345.77x = 15,515.89 × 4,501
4. Step 4: Simplify right side
   10,345.77x = 69,837,020.89
5. Step 5: Solve for x
   x = 69,837,020.89/10,345.77
6. Step 6: Final answer
   x = 6,750.30