Finding the Fourth Proportional to 1,142,398.82, 1,713,609.17 and 543,419.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,398.82 : 1,713,609.17 = 543,419.62 : x
2. Step 2: Convert to fraction form
   1,142,398.82/1,713,609.17 = 543,419.62/x
3. Step 3: Cross multiply
   1,142,398.82x = 1,713,609.17 × 543,419.62
4. Step 4: Simplify right side
   1,142,398.82x = 931,208,839,026.62
5. Step 5: Solve for x
   x = 931,208,839,026.62/1,142,398.82
6. Step 6: Final answer
   x = 815,134.63