Finding the Fourth Proportional to 670,564.72, 925,360.86 and 368,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   670,564.72 : 925,360.86 = 368,758.72 : x
2. Step 2: Convert to fraction form
   670,564.72/925,360.86 = 368,758.72/x
3. Step 3: Cross multiply
   670,564.72x = 925,360.86 × 368,758.72
4. Step 4: Simplify right side
   670,564.72x = 341,234,886,271.70
5. Step 5: Solve for x
   x = 341,234,886,271.70/670,564.72
6. Step 6: Final answer
   x = 508,876.89