Finding the Fourth Proportional to 57,637.32, 79,533.78 and 42,538.14

Step by Step Solution

1. Step 1: Write the proportion equation
   57,637.32 : 79,533.78 = 42,538.14 : x
2. Step 2: Convert to fraction form
   57,637.32/79,533.78 = 42,538.14/x
3. Step 3: Cross multiply
   57,637.32x = 79,533.78 × 42,538.14
4. Step 4: Simplify right side
   57,637.32x = 3,383,219,068.37
5. Step 5: Solve for x
   x = 3,383,219,068.37/57,637.32
6. Step 6: Final answer
   x = 58,698.41