Finding the Fourth Proportional to 10,122.53, 15,181.83 and 3,100.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,122.53 : 15,181.83 = 3,100.77 : x
2. Step 2: Convert to fraction form
   10,122.53/15,181.83 = 3,100.77/x
3. Step 3: Cross multiply
   10,122.53x = 15,181.83 × 3,100.77
4. Step 4: Simplify right side
   10,122.53x = 47,075,363.01
5. Step 5: Solve for x
   x = 47,075,363.01/10,122.53
6. Step 6: Final answer
   x = 4,650.56