Finding the Fourth Proportional to 10,345.03, 15,490.01 and 7,064.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.03 : 15,490.01 = 7,064.53 : x
2. Step 2: Convert to fraction form
   10,345.03/15,490.01 = 7,064.53/x
3. Step 3: Cross multiply
   10,345.03x = 15,490.01 × 7,064.53
4. Step 4: Simplify right side
   10,345.03x = 109,429,605.02
5. Step 5: Solve for x
   x = 109,429,605.02/10,345.03
6. Step 6: Final answer
   x = 10,577.99