Finding the Fourth Proportional to 912,498.27, 1,369,147.47 and 433,072.29

Step by Step Solution

1. Step 1: Write the proportion equation
   912,498.27 : 1,369,147.47 = 433,072.29 : x
2. Step 2: Convert to fraction form
   912,498.27/1,369,147.47 = 433,072.29/x
3. Step 3: Cross multiply
   912,498.27x = 1,369,147.47 × 433,072.29
4. Step 4: Simplify right side
   912,498.27x = 592,939,830,180.61
5. Step 5: Solve for x
   x = 592,939,830,180.61/912,498.27
6. Step 6: Final answer
   x = 649,798.31