Finding the Fourth Proportional to 76,122.03, 105,049.71 and 42,133.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,122.03 : 105,049.71 = 42,133.32 : x
2. Step 2: Convert to fraction form
   76,122.03/105,049.71 = 42,133.32/x
3. Step 3: Cross multiply
   76,122.03x = 105,049.71 × 42,133.32
4. Step 4: Simplify right side
   76,122.03x = 4,426,093,047.34
5. Step 5: Solve for x
   x = 4,426,093,047.34/76,122.03
6. Step 6: Final answer
   x = 58,144.71