Finding the Fourth Proportional to 1,853,513.05, 2,780,830.91 and 774,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853,513.05 : 2,780,830.91 = 774,549.31 : x
2. Step 2: Convert to fraction form
   1,853,513.05/2,780,830.91 = 774,549.31/x
3. Step 3: Cross multiply
   1,853,513.05x = 2,780,830.91 × 774,549.31
4. Step 4: Simplify right side
   1,853,513.05x = 2,153,890,662,567.17
5. Step 5: Solve for x
   x = 2,153,890,662,567.17/1,853,513.05
6. Step 6: Final answer
   x = 1,162,058.54