Finding the Fourth Proportional to 76,191.33, 105,140.37 and 42,197.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,191.33 : 105,140.37 = 42,197.52 : x
2. Step 2: Convert to fraction form
   76,191.33/105,140.37 = 42,197.52/x
3. Step 3: Cross multiply
   76,191.33x = 105,140.37 × 42,197.52
4. Step 4: Simplify right side
   76,191.33x = 4,436,662,865.88
5. Step 5: Solve for x
   x = 4,436,662,865.88/76,191.33
6. Step 6: Final answer
   x = 58,230.55