Finding the Fourth Proportional to 118,420.05, 163,401.83 and 67,434.71

Step by Step Solution

1. Step 1: Write the proportion equation
   118,420.05 : 163,401.83 = 67,434.71 : x
2. Step 2: Convert to fraction form
   118,420.05/163,401.83 = 67,434.71/x
3. Step 3: Cross multiply
   118,420.05x = 163,401.83 × 67,434.71
4. Step 4: Simplify right side
   118,420.05x = 11,018,953,865.34
5. Step 5: Solve for x
   x = 11,018,953,865.34/118,420.05
6. Step 6: Final answer
   x = 93,049.73