Finding the Fourth Proportional to 10,051.76, 15,062.72 and 9,490.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,051.76 : 15,062.72 = 9,490.08 : x
2. Step 2: Convert to fraction form
   10,051.76/15,062.72 = 9,490.08/x
3. Step 3: Cross multiply
   10,051.76x = 15,062.72 × 9,490.08
4. Step 4: Simplify right side
   10,051.76x = 142,946,417.82
5. Step 5: Solve for x
   x = 142,946,417.82/10,051.76
6. Step 6: Final answer
   x = 14,221.03