Finding the Fourth Proportional to 117,619, 162,314.22 and 64,627

Step by Step Solution

1. Step 1: Write the proportion equation
   117,619 : 162,314.22 = 64,627 : x
2. Step 2: Convert to fraction form
   117,619/162,314.22 = 64,627/x
3. Step 3: Cross multiply
   117,619x = 162,314.22 × 64,627
4. Step 4: Simplify right side
   117,619x = 10,489,881,095.94
5. Step 5: Solve for x
   x = 10,489,881,095.94/117,619
6. Step 6: Final answer
   x = 89,185.26