Finding the Fourth Proportional to 76,637.00, 105,757.74 and 42,644.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,637.00 : 105,757.74 = 42,644.53 : x
2. Step 2: Convert to fraction form
   76,637.00/105,757.74 = 42,644.53/x
3. Step 3: Cross multiply
   76,637.00x = 105,757.74 × 42,644.53
4. Step 4: Simplify right side
   76,637.00x = 4,509,988,593.50
5. Step 5: Solve for x
   x = 4,509,988,593.50/76,637.00
6. Step 6: Final answer
   x = 58,848.71