Finding the Fourth Proportional to 446,925.30, 670,404.15 and 131,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   446,925.30 : 670,404.15 = 131,414.10 : x
2. Step 2: Convert to fraction form
   446,925.30/670,404.15 = 131,414.10/x
3. Step 3: Cross multiply
   446,925.30x = 670,404.15 × 131,414.10
4. Step 4: Simplify right side
   446,925.30x = 88,100,558,008.52
5. Step 5: Solve for x
   x = 88,100,558,008.52/446,925.30
6. Step 6: Final answer
   x = 197,125.91