Finding the Fourth Proportional to 10,077.73, 15,119.63 and 4,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.73 : 15,119.63 = 4,070.72 : x
2. Step 2: Convert to fraction form
   10,077.73/15,119.63 = 4,070.72/x
3. Step 3: Cross multiply
   10,077.73x = 15,119.63 × 4,070.72
4. Step 4: Simplify right side
   10,077.73x = 61,547,812.94
5. Step 5: Solve for x
   x = 61,547,812.94/10,077.73
6. Step 6: Final answer
   x = 6,107.31