Finding the Fourth Proportional to 113,428.82, 156,496.52 and 64,362.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,428.82 : 156,496.52 = 64,362.38 : x
2. Step 2: Convert to fraction form
   113,428.82/156,496.52 = 64,362.38/x
3. Step 3: Cross multiply
   113,428.82x = 156,496.52 × 64,362.38
4. Step 4: Simplify right side
   113,428.82x = 10,072,488,488.92
5. Step 5: Solve for x
   x = 10,072,488,488.92/113,428.82
6. Step 6: Final answer
   x = 88,800.08