Finding the Fourth Proportional to 118,695.22, 163,803.27 and 64,980.22

Step by Step Solution

1. Step 1: Write the proportion equation
   118,695.22 : 163,803.27 = 64,980.22 : x
2. Step 2: Convert to fraction form
   118,695.22/163,803.27 = 64,980.22/x
3. Step 3: Cross multiply
   118,695.22x = 163,803.27 × 64,980.22
4. Step 4: Simplify right side
   118,695.22x = 10,643,972,521.32
5. Step 5: Solve for x
   x = 10,643,972,521.32/118,695.22
6. Step 6: Final answer
   x = 89,674.82