Finding the Fourth Proportional to 37,022,287.36, 51,090,366.72 and 20,724,897.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,022,287.36 : 51,090,366.72 = 20,724,897.28 : x
2. Step 2: Convert to fraction form
   37,022,287.36/51,090,366.72 = 20,724,897.28/x
3. Step 3: Cross multiply
   37,022,287.36x = 51,090,366.72 × 20,724,897.28
4. Step 4: Simplify right side
   37,022,287.36x = 1,058,842,602,269,530.50
5. Step 5: Solve for x
   x = 1,058,842,602,269,530.50/37,022,287.36
6. Step 6: Final answer
   x = 28,600,140.02