Finding the Fourth Proportional to 1,643,002.02, 2,267,261.82 and 917,705.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,002.02 : 2,267,261.82 = 917,705.34 : x
2. Step 2: Convert to fraction form
   1,643,002.02/2,267,261.82 = 917,705.34/x
3. Step 3: Cross multiply
   1,643,002.02x = 2,267,261.82 × 917,705.34
4. Step 4: Simplify right side
   1,643,002.02x = 2,080,678,279,392.12
5. Step 5: Solve for x
   x = 2,080,678,279,392.12/1,643,002.02
6. Step 6: Final answer
   x = 1,266,388.14