Finding the Fourth Proportional to 13,433.61, 18,538.83 and 7,465.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,433.61 : 18,538.83 = 7,465.53 : x
2. Step 2: Convert to fraction form
   13,433.61/18,538.83 = 7,465.53/x
3. Step 3: Cross multiply
   13,433.61x = 18,538.83 × 7,465.53
4. Step 4: Simplify right side
   13,433.61x = 138,402,061.51
5. Step 5: Solve for x
   x = 138,402,061.51/13,433.61
6. Step 6: Final answer
   x = 10,302.67