Finding the Fourth Proportional to 82,189.72, 123,097.74 and 64,308.95

Step by Step Solution

1. Step 1: Write the proportion equation
   82,189.72 : 123,097.74 = 64,308.95 : x
2. Step 2: Convert to fraction form
   82,189.72/123,097.74 = 64,308.95/x
3. Step 3: Cross multiply
   82,189.72x = 123,097.74 × 64,308.95
4. Step 4: Simplify right side
   82,189.72x = 7,916,286,406.77
5. Step 5: Solve for x
   x = 7,916,286,406.77/82,189.72
6. Step 6: Final answer
   x = 96,317.23