Finding the Fourth Proportional to 42,864.91, 64,396.18 and 41,093.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,864.91 : 64,396.18 = 41,093.47 : x
2. Step 2: Convert to fraction form
   42,864.91/64,396.18 = 41,093.47/x
3. Step 3: Cross multiply
   42,864.91x = 64,396.18 × 41,093.47
4. Step 4: Simplify right side
   42,864.91x = 2,646,262,381.32
5. Step 5: Solve for x
   x = 2,646,262,381.32/42,864.91
6. Step 6: Final answer
   x = 61,734.94