Finding the Fourth Proportional to 118,970.86, 164,184.38 and 65,258.14

Step by Step Solution

1. Step 1: Write the proportion equation
   118,970.86 : 164,184.38 = 65,258.14 : x
2. Step 2: Convert to fraction form
   118,970.86/164,184.38 = 65,258.14/x
3. Step 3: Cross multiply
   118,970.86x = 164,184.38 × 65,258.14
4. Step 4: Simplify right side
   118,970.86x = 10,714,366,763.82
5. Step 5: Solve for x
   x = 10,714,366,763.82/118,970.86
6. Step 6: Final answer
   x = 90,058.75