Finding the Fourth Proportional to 10,510.74, 15,768.41 and 3,492.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.74 : 15,768.41 = 3,492.90 : x
2. Step 2: Convert to fraction form
   10,510.74/15,768.41 = 3,492.90/x
3. Step 3: Cross multiply
   10,510.74x = 15,768.41 × 3,492.90
4. Step 4: Simplify right side
   10,510.74x = 55,077,461.82
5. Step 5: Solve for x
   x = 55,077,461.82/10,510.74
6. Step 6: Final answer
   x = 5,240.11