Finding the Fourth Proportional to 12,295,055.13, 18,443,468.49 and 4,722,020.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,295,055.13 : 18,443,468.49 = 4,722,020.88 : x
2. Step 2: Convert to fraction form
   12,295,055.13/18,443,468.49 = 4,722,020.88/x
3. Step 3: Cross multiply
   12,295,055.13x = 18,443,468.49 × 4,722,020.88
4. Step 4: Simplify right side
   12,295,055.13x = 87,090,443,309,402.06
5. Step 5: Solve for x
   x = 87,090,443,309,402.06/12,295,055.13
6. Step 6: Final answer
   x = 7,083,371.52