Finding the Fourth Proportional to 1,412,643.34, 2,118,917.52 and 613,924.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412,643.34 : 2,118,917.52 = 613,924.98 : x
2. Step 2: Convert to fraction form
   1,412,643.34/2,118,917.52 = 613,924.98/x
3. Step 3: Cross multiply
   1,412,643.34x = 2,118,917.52 × 613,924.98
4. Step 4: Simplify right side
   1,412,643.34x = 1,300,856,396,087.65
5. Step 5: Solve for x
   x = 1,300,856,396,087.65/1,412,643.34
6. Step 6: Final answer
   x = 920,866.83