Finding the Fourth Proportional to 76,376.32, 105,404.16 and 42,844.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,376.32 : 105,404.16 = 42,844.48 : x
2. Step 2: Convert to fraction form
   76,376.32/105,404.16 = 42,844.48/x
3. Step 3: Cross multiply
   76,376.32x = 105,404.16 × 42,844.48
4. Step 4: Simplify right side
   76,376.32x = 4,515,986,425.04
5. Step 5: Solve for x
   x = 4,515,986,425.04/76,376.32
6. Step 6: Final answer
   x = 59,128.10