Finding the Fourth Proportional to 1,301,851.72, 1,953,089.34 and 543,271.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301,851.72 : 1,953,089.34 = 543,271.21 : x
2. Step 2: Convert to fraction form
   1,301,851.72/1,953,089.34 = 543,271.21/x
3. Step 3: Cross multiply
   1,301,851.72x = 1,953,089.34 × 543,271.21
4. Step 4: Simplify right side
   1,301,851.72x = 1,061,057,208,979.90
5. Step 5: Solve for x
   x = 1,061,057,208,979.90/1,301,851.72
6. Step 6: Final answer
   x = 815,036.91