Finding the Fourth Proportional to 2,117,404.73, 3,174,321.14 and 918,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,404.73 : 3,174,321.14 = 918,423.89 : x
2. Step 2: Convert to fraction form
   2,117,404.73/3,174,321.14 = 918,423.89/x
3. Step 3: Cross multiply
   2,117,404.73x = 3,174,321.14 × 918,423.89
4. Step 4: Simplify right side
   2,117,404.73x = 2,915,372,364,915.92
5. Step 5: Solve for x
   x = 2,915,372,364,915.92/2,117,404.73
6. Step 6: Final answer
   x = 1,376,861.18