Finding the Fourth Proportional to 1,812,978.05, 2,501,910.99 and 997,243.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,978.05 : 2,501,910.99 = 997,243.79 : x
2. Step 2: Convert to fraction form
   1,812,978.05/2,501,910.99 = 997,243.79/x
3. Step 3: Cross multiply
   1,812,978.05x = 2,501,910.99 × 997,243.79
4. Step 4: Simplify right side
   1,812,978.05x = 2,495,015,197,910.25
5. Step 5: Solve for x
   x = 2,495,015,197,910.25/1,812,978.05
6. Step 6: Final answer
   x = 1,376,197.13