Finding the Fourth Proportional to 6,520,112.10, 9,780,168.15 and 3,685,760.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,520,112.10 : 9,780,168.15 = 3,685,760.10 : x
2. Step 2: Convert to fraction form
   6,520,112.10/9,780,168.15 = 3,685,760.10/x
3. Step 3: Cross multiply
   6,520,112.10x = 9,780,168.15 × 3,685,760.10
4. Step 4: Simplify right side
   6,520,112.10x = 36,047,353,538,560.82
5. Step 5: Solve for x
   x = 36,047,353,538,560.82/6,520,112.10
6. Step 6: Final answer
   x = 5,528,640.15