Finding the Fourth Proportional to 670,234.88, 924,900.72 and 368,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   670,234.88 : 924,900.72 = 368,426.72 : x
2. Step 2: Convert to fraction form
   670,234.88/924,900.72 = 368,426.72/x
3. Step 3: Cross multiply
   670,234.88x = 924,900.72 × 368,426.72
4. Step 4: Simplify right side
   670,234.88x = 340,758,138,595.24
5. Step 5: Solve for x
   x = 340,758,138,595.24/670,234.88
6. Step 6: Final answer
   x = 508,416.00