Finding the Fourth Proportional to 661,892.37, 913,382.69 and 367,523.76

Step by Step Solution

1. Step 1: Write the proportion equation
   661,892.37 : 913,382.69 = 367,523.76 : x
2. Step 2: Convert to fraction form
   661,892.37/913,382.69 = 367,523.76/x
3. Step 3: Cross multiply
   661,892.37x = 913,382.69 × 367,523.76
4. Step 4: Simplify right side
   661,892.37x = 335,689,838,710.10
5. Step 5: Solve for x
   x = 335,689,838,710.10/661,892.37
6. Step 6: Final answer
   x = 507,166.81