Finding the Fourth Proportional to 377,104.34, 520,404.72 and 207,338.52

Step by Step Solution

1. Step 1: Write the proportion equation
   377,104.34 : 520,404.72 = 207,338.52 : x
2. Step 2: Convert to fraction form
   377,104.34/520,404.72 = 207,338.52/x
3. Step 3: Cross multiply
   377,104.34x = 520,404.72 × 207,338.52
4. Step 4: Simplify right side
   377,104.34x = 107,899,944,445.81
5. Step 5: Solve for x
   x = 107,899,944,445.81/377,104.34
6. Step 6: Final answer
   x = 286,127.56