Finding the Fourth Proportional to 118,250.01, 163,185.57 and 64,536.17

Step by Step Solution

1. Step 1: Write the proportion equation
   118,250.01 : 163,185.57 = 64,536.17 : x
2. Step 2: Convert to fraction form
   118,250.01/163,185.57 = 64,536.17/x
3. Step 3: Cross multiply
   118,250.01x = 163,185.57 × 64,536.17
4. Step 4: Simplify right side
   118,250.01x = 10,531,370,871.14
5. Step 5: Solve for x
   x = 10,531,370,871.14/118,250.01
6. Step 6: Final answer
   x = 89,060.21