Finding the Fourth Proportional to 76,241.52, 105,213.30 and 42,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,241.52 : 105,213.30 = 42,707.52 : x
2. Step 2: Convert to fraction form
   76,241.52/105,213.30 = 42,707.52/x
3. Step 3: Cross multiply
   76,241.52x = 105,213.30 × 42,707.52
4. Step 4: Simplify right side
   76,241.52x = 4,493,399,114.02
5. Step 5: Solve for x
   x = 4,493,399,114.02/76,241.52
6. Step 6: Final answer
   x = 58,936.38