Finding the Fourth Proportional to 50,806,871.72, 70,108,424.00 and 28,775,974.13

Step by Step Solution

1. Step 1: Write the proportion equation
   50,806,871.72 : 70,108,424.00 = 28,775,974.13 : x
2. Step 2: Convert to fraction form
   50,806,871.72/70,108,424.00 = 28,775,974.13/x
3. Step 3: Cross multiply
   50,806,871.72x = 70,108,424.00 × 28,775,974.13
4. Step 4: Simplify right side
   50,806,871.72x = 2,017,438,194,824,649.25
5. Step 5: Solve for x
   x = 2,017,438,194,824,649.25/50,806,871.72
6. Step 6: Final answer
   x = 39,707,978.99