Finding the Fourth Proportional to 23,479,466.10, 35,201,703.15 and 12,128,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,479,466.10 : 35,201,703.15 = 12,128,061.30 : x
2. Step 2: Convert to fraction form
   23,479,466.10/35,201,703.15 = 12,128,061.30/x
3. Step 3: Cross multiply
   23,479,466.10x = 35,201,703.15 × 12,128,061.30
4. Step 4: Simplify right side
   23,479,466.10x = 426,928,413,667,603.12
5. Step 5: Solve for x
   x = 426,928,413,667,603.12/23,479,466.10
6. Step 6: Final answer
   x = 18,183,054.58