Finding the Fourth Proportional to 78,091.11, 107,765.24 and 42,281.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,091.11 : 107,765.24 = 42,281.01 : x
2. Step 2: Convert to fraction form
   78,091.11/107,765.24 = 42,281.01/x
3. Step 3: Cross multiply
   78,091.11x = 107,765.24 × 42,281.01
4. Step 4: Simplify right side
   78,091.11x = 4,556,422,978.69
5. Step 5: Solve for x
   x = 4,556,422,978.69/78,091.11
6. Step 6: Final answer
   x = 58,347.52