Finding the Fourth Proportional to 82,475.84, 123,603.60 and 42,950.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,475.84 : 123,603.60 = 42,950.08 : x
2. Step 2: Convert to fraction form
   82,475.84/123,603.60 = 42,950.08/x
3. Step 3: Cross multiply
   82,475.84x = 123,603.60 × 42,950.08
4. Step 4: Simplify right side
   82,475.84x = 5,308,784,508.29
5. Step 5: Solve for x
   x = 5,308,784,508.29/82,475.84
6. Step 6: Final answer
   x = 64,367.75