Finding the Fourth Proportional to 118,410.29, 163,417.30 and 64,703.27

Step by Step Solution

1. Step 1: Write the proportion equation
   118,410.29 : 163,417.30 = 64,703.27 : x
2. Step 2: Convert to fraction form
   118,410.29/163,417.30 = 64,703.27/x
3. Step 3: Cross multiply
   118,410.29x = 163,417.30 × 64,703.27
4. Step 4: Simplify right side
   118,410.29x = 10,573,633,931.36
5. Step 5: Solve for x
   x = 10,573,633,931.36/118,410.29
6. Step 6: Final answer
   x = 89,296.58