Finding the Fourth Proportional to 78,084.04, 107,756.02 and 42,274.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,084.04 : 107,756.02 = 42,274.06 : x
2. Step 2: Convert to fraction form
   78,084.04/107,756.02 = 42,274.06/x
3. Step 3: Cross multiply
   78,084.04x = 107,756.02 × 42,274.06
4. Step 4: Simplify right side
   78,084.04x = 4,555,284,454.84
5. Step 5: Solve for x
   x = 4,555,284,454.84/78,084.04
6. Step 6: Final answer
   x = 58,338.23