Finding the Fourth Proportional to 42,878.22, 64,198.47 and 32,316.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878.22 : 64,198.47 = 32,316.27 : x
2. Step 2: Convert to fraction form
   42,878.22/64,198.47 = 32,316.27/x
3. Step 3: Cross multiply
   42,878.22x = 64,198.47 × 32,316.27
4. Step 4: Simplify right side
   42,878.22x = 2,074,655,090.11
5. Step 5: Solve for x
   x = 2,074,655,090.11/42,878.22
6. Step 6: Final answer
   x = 48,384.82