Finding the Fourth Proportional to 10,390.56, 15,562.80 and 7,460.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.56 : 15,562.80 = 7,460.04 : x
2. Step 2: Convert to fraction form
   10,390.56/15,562.80 = 7,460.04/x
3. Step 3: Cross multiply
   10,390.56x = 15,562.80 × 7,460.04
4. Step 4: Simplify right side
   10,390.56x = 116,099,110.51
5. Step 5: Solve for x
   x = 116,099,110.51/10,390.56
6. Step 6: Final answer
   x = 11,173.52