Finding the Fourth Proportional to 114,721.44, 158,298.48 and 64,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,721.44 : 158,298.48 = 64,410.72 : x
2. Step 2: Convert to fraction form
   114,721.44/158,298.48 = 64,410.72/x
3. Step 3: Cross multiply
   114,721.44x = 158,298.48 × 64,410.72
4. Step 4: Simplify right side
   114,721.44x = 10,196,119,071.71
5. Step 5: Solve for x
   x = 10,196,119,071.71/114,721.44
6. Step 6: Final answer
   x = 88,877.19