Finding the Fourth Proportional to 114,588, 158,131.98 and 64,287

Step by Step Solution

1. Step 1: Write the proportion equation
   114,588 : 158,131.98 = 64,287 : x
2. Step 2: Convert to fraction form
   114,588/158,131.98 = 64,287/x
3. Step 3: Cross multiply
   114,588x = 158,131.98 × 64,287
4. Step 4: Simplify right side
   114,588x = 10,165,830,598.26
5. Step 5: Solve for x
   x = 10,165,830,598.26/114,588
6. Step 6: Final answer
   x = 88,716.36