Finding the Fourth Proportional to 14,077.86, 19,428.06 and 7,790.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,077.86 : 19,428.06 = 7,790.23 : x
2. Step 2: Convert to fraction form
   14,077.86/19,428.06 = 7,790.23/x
3. Step 3: Cross multiply
   14,077.86x = 19,428.06 × 7,790.23
4. Step 4: Simplify right side
   14,077.86x = 151,349,055.85
5. Step 5: Solve for x
   x = 151,349,055.85/14,077.86
6. Step 6: Final answer
   x = 10,750.86