Finding the Fourth Proportional to 42,874.15, 64,065.59 and 32,686.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,874.15 : 64,065.59 = 32,686.51 : x
2. Step 2: Convert to fraction form
   42,874.15/64,065.59 = 32,686.51/x
3. Step 3: Cross multiply
   42,874.15x = 64,065.59 × 32,686.51
4. Step 4: Simplify right side
   42,874.15x = 2,094,080,548.19
5. Step 5: Solve for x
   x = 2,094,080,548.19/42,874.15
6. Step 6: Final answer
   x = 48,842.50