Finding the Fourth Proportional to 10,480,107.24, 15,720,020.12 and 2,698,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,480,107.24 : 15,720,020.12 = 2,698,978.50 : x
2. Step 2: Convert to fraction form
   10,480,107.24/15,720,020.12 = 2,698,978.50/x
3. Step 3: Cross multiply
   10,480,107.24x = 15,720,020.12 × 2,698,978.50
4. Step 4: Simplify right side
   10,480,107.24x = 42,427,996,323,447.41
5. Step 5: Solve for x
   x = 42,427,996,323,447.41/10,480,107.24
6. Step 6: Final answer
   x = 4,048,431.50