Finding the Fourth Proportional to 118,365.51, 163,347.98 and 64,653.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,365.51 : 163,347.98 = 64,653.42 : x
2. Step 2: Convert to fraction form
   118,365.51/163,347.98 = 64,653.42/x
3. Step 3: Cross multiply
   118,365.51x = 163,347.98 × 64,653.42
4. Step 4: Simplify right side
   118,365.51x = 10,561,005,233.82
5. Step 5: Solve for x
   x = 10,561,005,233.82/118,365.51
6. Step 6: Final answer
   x = 89,223.67