Finding the Fourth Proportional to 57,093,680.84, 78,789,365.97 and 30,988,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,093,680.84 : 78,789,365.97 = 30,988,208.12 : x
2. Step 2: Convert to fraction form
   57,093,680.84/78,789,365.97 = 30,988,208.12/x
3. Step 3: Cross multiply
   57,093,680.84x = 78,789,365.97 × 30,988,208.12
4. Step 4: Simplify right side
   57,093,680.84x = 2,441,541,270,321,205.50
5. Step 5: Solve for x
   x = 2,441,541,270,321,205.50/57,093,680.84
6. Step 6: Final answer
   x = 42,763,774.11