Finding the Fourth Proportional to 8,303,610.10, 12,455,415.15 and 4,720,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,303,610.10 : 12,455,415.15 = 4,720,429.30 : x
2. Step 2: Convert to fraction form
   8,303,610.10/12,455,415.15 = 4,720,429.30/x
3. Step 3: Cross multiply
   8,303,610.10x = 12,455,415.15 × 4,720,429.30
4. Step 4: Simplify right side
   8,303,610.10x = 58,794,906,617,723.89
5. Step 5: Solve for x
   x = 58,794,906,617,723.89/8,303,610.10
6. Step 6: Final answer
   x = 7,080,643.95