Finding the Fourth Proportional to 57,095,857.98, 78,790,172.31 and 30,989,820.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,095,857.98 : 78,790,172.31 = 30,989,820.42 : x
2. Step 2: Convert to fraction form
   57,095,857.98/78,790,172.31 = 30,989,820.42/x
3. Step 3: Cross multiply
   57,095,857.98x = 78,790,172.31 × 30,989,820.42
4. Step 4: Simplify right side
   57,095,857.98x = 2,441,693,290,747,757
5. Step 5: Solve for x
   x = 2,441,693,290,747,757/57,095,857.98
6. Step 6: Final answer
   x = 42,764,806.01