Finding the Fourth Proportional to 78,087.04, 107,760.16 and 42,277.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,087.04 : 107,760.16 = 42,277.06 : x
2. Step 2: Convert to fraction form
   78,087.04/107,760.16 = 42,277.06/x
3. Step 3: Cross multiply
   78,087.04x = 107,760.16 × 42,277.06
4. Step 4: Simplify right side
   78,087.04x = 4,555,782,749.93
5. Step 5: Solve for x
   x = 4,555,782,749.93/78,087.04
6. Step 6: Final answer
   x = 58,342.37