Finding the Fourth Proportional to 2,155,192.72, 3,229,130.78 and 1,300,468.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,192.72 : 3,229,130.78 = 1,300,468.47 : x
2. Step 2: Convert to fraction form
   2,155,192.72/3,229,130.78 = 1,300,468.47/x
3. Step 3: Cross multiply
   2,155,192.72x = 3,229,130.78 × 1,300,468.47
4. Step 4: Simplify right side
   2,155,192.72x = 4,199,382,758,394.16
5. Step 5: Solve for x
   x = 4,199,382,758,394.16/2,155,192.72
6. Step 6: Final answer
   x = 1,948,495.24