Finding the Fourth Proportional to 118,597.39, 163,663.82 and 64,881.43

Step by Step Solution

1. Step 1: Write the proportion equation
   118,597.39 : 163,663.82 = 64,881.43 : x
2. Step 2: Convert to fraction form
   118,597.39/163,663.82 = 64,881.43/x
3. Step 3: Cross multiply
   118,597.39x = 163,663.82 × 64,881.43
4. Step 4: Simplify right side
   118,597.39x = 10,618,742,356.46
5. Step 5: Solve for x
   x = 10,618,742,356.46/118,597.39
6. Step 6: Final answer
   x = 89,536.05