Finding the Fourth Proportional to 46,938.21, 64,775.39 and 28,071.69

Step by Step Solution

1. Step 1: Write the proportion equation
   46,938.21 : 64,775.39 = 28,071.69 : x
2. Step 2: Convert to fraction form
   46,938.21/64,775.39 = 28,071.69/x
3. Step 3: Cross multiply
   46,938.21x = 64,775.39 × 28,071.69
4. Step 4: Simplify right side
   46,938.21x = 1,818,354,667.71
5. Step 5: Solve for x
   x = 1,818,354,667.71/46,938.21
6. Step 6: Final answer
   x = 38,739.33