Finding the Fourth Proportional to 1,175,817.12, 1,762,326 and 818,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,817.12 : 1,762,326 = 818,898.72 : x
2. Step 2: Convert to fraction form
   1,175,817.12/1,762,326 = 818,898.72/x
3. Step 3: Cross multiply
   1,175,817.12x = 1,762,326 × 818,898.72
4. Step 4: Simplify right side
   1,175,817.12x = 1,443,166,505,622.72
5. Step 5: Solve for x
   x = 1,443,166,505,622.72/1,175,817.12
6. Step 6: Final answer
   x = 1,227,373.27