Finding the Fourth Proportional to 1,271,386.22, 1,754,514.15 and 698,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,386.22 : 1,754,514.15 = 698,463.50 : x
2. Step 2: Convert to fraction form
   1,271,386.22/1,754,514.15 = 698,463.50/x
3. Step 3: Cross multiply
   1,271,386.22x = 1,754,514.15 × 698,463.50
4. Step 4: Simplify right side
   1,271,386.22x = 1,225,464,094,008.52
5. Step 5: Solve for x
   x = 1,225,464,094,008.52/1,271,386.22
6. Step 6: Final answer
   x = 963,880.27