Finding the Fourth Proportional to 57,087,015.50, 78,780,122.49 and 30,981,526.58

Step by Step Solution

1. Step 1: Write the proportion equation
   57,087,015.50 : 78,780,122.49 = 30,981,526.58 : x
2. Step 2: Convert to fraction form
   57,087,015.50/78,780,122.49 = 30,981,526.58/x
3. Step 3: Cross multiply
   57,087,015.50x = 78,780,122.49 × 30,981,526.58
4. Step 4: Simplify right side
   57,087,015.50x = 2,440,728,458,899,590.50
5. Step 5: Solve for x
   x = 2,440,728,458,899,590.50/57,087,015.50
6. Step 6: Final answer
   x = 42,754,528.99