Finding the Fourth Proportional to 10,669.08, 14,726.70 and 10,111.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.08 : 14,726.70 = 10,111.80 : x
2. Step 2: Convert to fraction form
   10,669.08/14,726.70 = 10,111.80/x
3. Step 3: Cross multiply
   10,669.08x = 14,726.70 × 10,111.80
4. Step 4: Simplify right side
   10,669.08x = 148,913,445.06
5. Step 5: Solve for x
   x = 148,913,445.06/10,669.08
6. Step 6: Final answer
   x = 13,957.48