Finding the Fourth Proportional to 1,997,316.93, 2,995,997.27 and 577,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,316.93 : 2,995,997.27 = 577,385.31 : x
2. Step 2: Convert to fraction form
   1,997,316.93/2,995,997.27 = 577,385.31/x
3. Step 3: Cross multiply
   1,997,316.93x = 2,995,997.27 × 577,385.31
4. Step 4: Simplify right side
   1,997,316.93x = 1,729,844,812,498.10
5. Step 5: Solve for x
   x = 1,729,844,812,498.10/1,997,316.93
6. Step 6: Final answer
   x = 866,084.29