Finding the Fourth Proportional to 47,053,568.27, 64,938,983.90 and 28,478,930.47

Step by Step Solution

1. Step 1: Write the proportion equation
   47,053,568.27 : 64,938,983.90 = 28,478,930.47 : x
2. Step 2: Convert to fraction form
   47,053,568.27/64,938,983.90 = 28,478,930.47/x
3. Step 3: Cross multiply
   47,053,568.27x = 64,938,983.90 × 28,478,930.47
4. Step 4: Simplify right side
   47,053,568.27x = 1,849,392,807,280,549.25
5. Step 5: Solve for x
   x = 1,849,392,807,280,549.25/47,053,568.27
6. Step 6: Final answer
   x = 39,303,986.40