Finding the Fourth Proportional to 1,914,796.56, 2,872,686.96 and 716,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914,796.56 : 2,872,686.96 = 716,736 : x
2. Step 2: Convert to fraction form
   1,914,796.56/2,872,686.96 = 716,736/x
3. Step 3: Cross multiply
   1,914,796.56x = 2,872,686.96 × 716,736
4. Step 4: Simplify right side
   1,914,796.56x = 2,058,958,160,962.56
5. Step 5: Solve for x
   x = 2,058,958,160,962.56/1,914,796.56
6. Step 6: Final answer
   x = 1,075,288.21