Finding the Fourth Proportional to 10,053.30, 13,875.23 and 5,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.30 : 13,875.23 = 5,578.50 : x
2. Step 2: Convert to fraction form
   10,053.30/13,875.23 = 5,578.50/x
3. Step 3: Cross multiply
   10,053.30x = 13,875.23 × 5,578.50
4. Step 4: Simplify right side
   10,053.30x = 77,403,036.53
5. Step 5: Solve for x
   x = 77,403,036.53/10,053.30
6. Step 6: Final answer
   x = 7,699.26