Finding the Fourth Proportional to 10,833.30, 14,905.41 and 10,142.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,833.30 : 14,905.41 = 10,142.10 : x
2. Step 2: Convert to fraction form
   10,833.30/14,905.41 = 10,142.10/x
3. Step 3: Cross multiply
   10,833.30x = 14,905.41 × 10,142.10
4. Step 4: Simplify right side
   10,833.30x = 151,172,158.76
5. Step 5: Solve for x
   x = 151,172,158.76/10,833.30
6. Step 6: Final answer
   x = 13,954.40