Finding the Fourth Proportional to 277,662.42, 416,493.68 and 67,300.38

Step by Step Solution

1. Step 1: Write the proportion equation
   277,662.42 : 416,493.68 = 67,300.38 : x
2. Step 2: Convert to fraction form
   277,662.42/416,493.68 = 67,300.38/x
3. Step 3: Cross multiply
   277,662.42x = 416,493.68 × 67,300.38
4. Step 4: Simplify right side
   277,662.42x = 28,030,182,931.60
5. Step 5: Solve for x
   x = 28,030,182,931.60/277,662.42
6. Step 6: Final answer
   x = 100,950.58