Finding the Fourth Proportional to 1,077,738.16, 1,487,314.58 and 587,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,738.16 : 1,487,314.58 = 587,734.50 : x
2. Step 2: Convert to fraction form
   1,077,738.16/1,487,314.58 = 587,734.50/x
3. Step 3: Cross multiply
   1,077,738.16x = 1,487,314.58 × 587,734.50
4. Step 4: Simplify right side
   1,077,738.16x = 874,146,091,019.01
5. Step 5: Solve for x
   x = 874,146,091,019.01/1,077,738.16
6. Step 6: Final answer
   x = 811,093.20