Finding the Fourth Proportional to 377,404.24, 520,817.86 and 207,634.72

Step by Step Solution

1. Step 1: Write the proportion equation
   377,404.24 : 520,817.86 = 207,634.72 : x
2. Step 2: Convert to fraction form
   377,404.24/520,817.86 = 207,634.72/x
3. Step 3: Cross multiply
   377,404.24x = 520,817.86 × 207,634.72
4. Step 4: Simplify right side
   377,404.24x = 108,139,870,532.10
5. Step 5: Solve for x
   x = 108,139,870,532.10/377,404.24
6. Step 6: Final answer
   x = 286,535.92