Finding the Fourth Proportional to 13,430.62, 18,534.83 and 7,462.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,430.62 : 18,534.83 = 7,462.31 : x
2. Step 2: Convert to fraction form
   13,430.62/18,534.83 = 7,462.31/x
3. Step 3: Cross multiply
   13,430.62x = 18,534.83 × 7,462.31
4. Step 4: Simplify right side
   13,430.62x = 138,312,621.53
5. Step 5: Solve for x
   x = 138,312,621.53/13,430.62
6. Step 6: Final answer
   x = 10,298.31