Finding the Fourth Proportional to 1,298,061.33, 1,947,093.30 and 338,516.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,061.33 : 1,947,093.30 = 338,516.22 : x
2. Step 2: Convert to fraction form
   1,298,061.33/1,947,093.30 = 338,516.22/x
3. Step 3: Cross multiply
   1,298,061.33x = 1,947,093.30 × 338,516.22
4. Step 4: Simplify right side
   1,298,061.33x = 659,122,663,903.33
5. Step 5: Solve for x
   x = 659,122,663,903.33/1,298,061.33
6. Step 6: Final answer
   x = 507,774.67