Finding the Fourth Proportional to 35,554,399.50, 49,069,059.15 and 20,085,480.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,554,399.50 : 49,069,059.15 = 20,085,480.60 : x
2. Step 2: Convert to fraction form
   35,554,399.50/49,069,059.15 = 20,085,480.60/x
3. Step 3: Cross multiply
   35,554,399.50x = 49,069,059.15 × 20,085,480.60
4. Step 4: Simplify right side
   35,554,399.50x = 985,575,635,508,889.12
5. Step 5: Solve for x
   x = 985,575,635,508,889.12/35,554,399.50
6. Step 6: Final answer
   x = 27,720,216.04