Finding the Fourth Proportional to 57,448.29, 79,256.01 and 42,377.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,448.29 : 79,256.01 = 42,377.25 : x
2. Step 2: Convert to fraction form
   57,448.29/79,256.01 = 42,377.25/x
3. Step 3: Cross multiply
   57,448.29x = 79,256.01 × 42,377.25
4. Step 4: Simplify right side
   57,448.29x = 3,358,651,749.77
5. Step 5: Solve for x
   x = 3,358,651,749.77/57,448.29
6. Step 6: Final answer
   x = 58,463.91