Finding the Fourth Proportional to 75,864.33, 104,692.71 and 42,330.33

Step by Step Solution

1. Step 1: Write the proportion equation
   75,864.33 : 104,692.71 = 42,330.33 : x
2. Step 2: Convert to fraction form
   75,864.33/104,692.71 = 42,330.33/x
3. Step 3: Cross multiply
   75,864.33x = 104,692.71 × 42,330.33
4. Step 4: Simplify right side
   75,864.33x = 4,431,676,962.89
5. Step 5: Solve for x
   x = 4,431,676,962.89/75,864.33
6. Step 6: Final answer
   x = 58,415.82