Finding the Fourth Proportional to 10,554.76, 14,584.80 and 10,042.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.76 : 14,584.80 = 10,042.30 : x
2. Step 2: Convert to fraction form
   10,554.76/14,584.80 = 10,042.30/x
3. Step 3: Cross multiply
   10,554.76x = 14,584.80 × 10,042.30
4. Step 4: Simplify right side
   10,554.76x = 146,464,937.04
5. Step 5: Solve for x
   x = 146,464,937.04/10,554.76
6. Step 6: Final answer
   x = 13,876.67