Finding the Fourth Proportional to 118,347.48, 163,320.83 and 64,634.08

Step by Step Solution

1. Step 1: Write the proportion equation
   118,347.48 : 163,320.83 = 64,634.08 : x
2. Step 2: Convert to fraction form
   118,347.48/163,320.83 = 64,634.08/x
3. Step 3: Cross multiply
   118,347.48x = 163,320.83 × 64,634.08
4. Step 4: Simplify right side
   118,347.48x = 10,556,091,591.89
5. Step 5: Solve for x
   x = 10,556,091,591.89/118,347.48
6. Step 6: Final answer
   x = 89,195.74