Finding the Fourth Proportional to 86,141.88, 118,874.52 and 48,415.86

Step by Step Solution

1. Step 1: Write the proportion equation
   86,141.88 : 118,874.52 = 48,415.86 : x
2. Step 2: Convert to fraction form
   86,141.88/118,874.52 = 48,415.86/x
3. Step 3: Cross multiply
   86,141.88x = 118,874.52 × 48,415.86
4. Step 4: Simplify right side
   86,141.88x = 5,755,412,117.89
5. Step 5: Solve for x
   x = 5,755,412,117.89/86,141.88
6. Step 6: Final answer
   x = 66,813.17