Finding the Fourth Proportional to 277,781.82, 416,697.34 and 78,103.94

Step by Step Solution

1. Step 1: Write the proportion equation
   277,781.82 : 416,697.34 = 78,103.94 : x
2. Step 2: Convert to fraction form
   277,781.82/416,697.34 = 78,103.94/x
3. Step 3: Cross multiply
   277,781.82x = 416,697.34 × 78,103.94
4. Step 4: Simplify right side
   277,781.82x = 32,545,704,041.52
5. Step 5: Solve for x
   x = 32,545,704,041.52/277,781.82
6. Step 6: Final answer
   x = 117,162.83