Finding the Fourth Proportional to 76,623.84, 105,738.84 and 42,632.37

Step by Step Solution

1. Step 1: Write the proportion equation
   76,623.84 : 105,738.84 = 42,632.37 : x
2. Step 2: Convert to fraction form
   76,623.84/105,738.84 = 42,632.37/x
3. Step 3: Cross multiply
   76,623.84x = 105,738.84 × 42,632.37
4. Step 4: Simplify right side
   76,623.84x = 4,507,897,350.25
5. Step 5: Solve for x
   x = 4,507,897,350.25/76,623.84
6. Step 6: Final answer
   x = 58,831.52