Finding the Fourth Proportional to 675,081.59, 931,574.88 and 369,097.05

Step by Step Solution

1. Step 1: Write the proportion equation
   675,081.59 : 931,574.88 = 369,097.05 : x
2. Step 2: Convert to fraction form
   675,081.59/931,574.88 = 369,097.05/x
3. Step 3: Cross multiply
   675,081.59x = 931,574.88 × 369,097.05
4. Step 4: Simplify right side
   675,081.59x = 343,841,540,062.10
5. Step 5: Solve for x
   x = 343,841,540,062.10/675,081.59
6. Step 6: Final answer
   x = 509,333.31