Finding the Fourth Proportional to 78,182.82, 107,891.87 and 42,372.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,182.82 : 107,891.87 = 42,372.45 : x
2. Step 2: Convert to fraction form
   78,182.82/107,891.87 = 42,372.45/x
3. Step 3: Cross multiply
   78,182.82x = 107,891.87 × 42,372.45
4. Step 4: Simplify right side
   78,182.82x = 4,571,642,655.12
5. Step 5: Solve for x
   x = 4,571,642,655.12/78,182.82
6. Step 6: Final answer
   x = 58,473.75