Finding the Fourth Proportional to 1,431,404.93, 1,975,147.71 and 887,342.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,404.93 : 1,975,147.71 = 887,342.51 : x
2. Step 2: Convert to fraction form
   1,431,404.93/1,975,147.71 = 887,342.51/x
3. Step 3: Cross multiply
   1,431,404.93x = 1,975,147.71 × 887,342.51
4. Step 4: Simplify right side
   1,431,404.93x = 1,752,632,526,612.15
5. Step 5: Solve for x
   x = 1,752,632,526,612.15/1,431,404.93
6. Step 6: Final answer
   x = 1,224,414.20