Finding the Fourth Proportional to 114,531, 158,052.78 and 64,230

Step by Step Solution

1. Step 1: Write the proportion equation
   114,531 : 158,052.78 = 64,230 : x
2. Step 2: Convert to fraction form
   114,531/158,052.78 = 64,230/x
3. Step 3: Cross multiply
   114,531x = 158,052.78 × 64,230
4. Step 4: Simplify right side
   114,531x = 10,151,730,059.40
5. Step 5: Solve for x
   x = 10,151,730,059.40/114,531
6. Step 6: Final answer
   x = 88,637.40