Finding the Fourth Proportional to 76,320.94, 105,323.48 and 42,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,320.94 : 105,323.48 = 42,327.52 : x
2. Step 2: Convert to fraction form
   76,320.94/105,323.48 = 42,327.52/x
3. Step 3: Cross multiply
   76,320.94x = 105,323.48 × 42,327.52
4. Step 4: Simplify right side
   76,320.94x = 4,458,081,706.17
5. Step 5: Solve for x
   x = 4,458,081,706.17/76,320.94
6. Step 6: Final answer
   x = 58,412.30