Finding the Fourth Proportional to 78,382.53, 117,536.72 and 30,373.61

Step by Step Solution

1. Step 1: Write the proportion equation
   78,382.53 : 117,536.72 = 30,373.61 : x
2. Step 2: Convert to fraction form
   78,382.53/117,536.72 = 30,373.61/x
3. Step 3: Cross multiply
   78,382.53x = 117,536.72 × 30,373.61
4. Step 4: Simplify right side
   78,382.53x = 3,570,014,342.09
5. Step 5: Solve for x
   x = 3,570,014,342.09/78,382.53
6. Step 6: Final answer
   x = 45,546.05