Finding the Fourth Proportional to 10,012.86, 15,022.53 and 7,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.86 : 15,022.53 = 7,051.50 : x
2. Step 2: Convert to fraction form
   10,012.86/15,022.53 = 7,051.50/x
3. Step 3: Cross multiply
   10,012.86x = 15,022.53 × 7,051.50
4. Step 4: Simplify right side
   10,012.86x = 105,931,370.30
5. Step 5: Solve for x
   x = 105,931,370.30/10,012.86
6. Step 6: Final answer
   x = 10,579.53