Finding the Fourth Proportional to 114,711, 158,308.20 and 64,410

Step by Step Solution

1. Step 1: Write the proportion equation
   114,711 : 158,308.20 = 64,410 : x
2. Step 2: Convert to fraction form
   114,711/158,308.20 = 64,410/x
3. Step 3: Cross multiply
   114,711x = 158,308.20 × 64,410
4. Step 4: Simplify right side
   114,711x = 10,196,631,162
5. Step 5: Solve for x
   x = 10,196,631,162/114,711
6. Step 6: Final answer
   x = 88,889.74