Finding the Fourth Proportional to 10,415.83, 14,358.90 and 7,426.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.83 : 14,358.90 = 7,426.48 : x
2. Step 2: Convert to fraction form
   10,415.83/14,358.90 = 7,426.48/x
3. Step 3: Cross multiply
   10,415.83x = 14,358.90 × 7,426.48
4. Step 4: Simplify right side
   10,415.83x = 106,636,083.67
5. Step 5: Solve for x
   x = 106,636,083.67/10,415.83
6. Step 6: Final answer
   x = 10,237.89