Finding the Fourth Proportional to 938,111.91, 1,294,595.56 and 508,392.04

Step by Step Solution

1. Step 1: Write the proportion equation
   938,111.91 : 1,294,595.56 = 508,392.04 : x
2. Step 2: Convert to fraction form
   938,111.91/1,294,595.56 = 508,392.04/x
3. Step 3: Cross multiply
   938,111.91x = 1,294,595.56 × 508,392.04
4. Step 4: Simplify right side
   938,111.91x = 658,162,080,735.65
5. Step 5: Solve for x
   x = 658,162,080,735.65/938,111.91
6. Step 6: Final answer
   x = 701,581.63