Finding the Fourth Proportional to 10,372.83, 15,553.30 and 7,089.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,372.83 : 15,553.30 = 7,089.99 : x
2. Step 2: Convert to fraction form
   10,372.83/15,553.30 = 7,089.99/x
3. Step 3: Cross multiply
   10,372.83x = 15,553.30 × 7,089.99
4. Step 4: Simplify right side
   10,372.83x = 110,272,741.47
5. Step 5: Solve for x
   x = 110,272,741.47/10,372.83
6. Step 6: Final answer
   x = 10,630.92