Finding the Fourth Proportional to 10,603.77, 15,881.43 and 5,061.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,603.77 : 15,881.43 = 5,061.01 : x
2. Step 2: Convert to fraction form
   10,603.77/15,881.43 = 5,061.01/x
3. Step 3: Cross multiply
   10,603.77x = 15,881.43 × 5,061.01
4. Step 4: Simplify right side
   10,603.77x = 80,376,076.04
5. Step 5: Solve for x
   x = 80,376,076.04/10,603.77
6. Step 6: Final answer
   x = 7,579.95