Finding the Fourth Proportional to 676,105.98, 932,990.80 and 370,123.74

Step by Step Solution

1. Step 1: Write the proportion equation
   676,105.98 : 932,990.80 = 370,123.74 : x
2. Step 2: Convert to fraction form
   676,105.98/932,990.80 = 370,123.74/x
3. Step 3: Cross multiply
   676,105.98x = 932,990.80 × 370,123.74
4. Step 4: Simplify right side
   676,105.98x = 345,322,044,281.59
5. Step 5: Solve for x
   x = 345,322,044,281.59/676,105.98
6. Step 6: Final answer
   x = 510,751.35