Finding the Fourth Proportional to 78,114.46, 117,101.53 and 28,182.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,114.46 : 117,101.53 = 28,182.82 : x
2. Step 2: Convert to fraction form
   78,114.46/117,101.53 = 28,182.82/x
3. Step 3: Cross multiply
   78,114.46x = 117,101.53 × 28,182.82
4. Step 4: Simplify right side
   78,114.46x = 3,300,251,341.71
5. Step 5: Solve for x
   x = 3,300,251,341.71/78,114.46
6. Step 6: Final answer
   x = 42,248.92