Finding the Fourth Proportional to 78,042.24, 117,058.52 and 48,062.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,042.24 : 117,058.52 = 48,062.18 : x
2. Step 2: Convert to fraction form
   78,042.24/117,058.52 = 48,062.18/x
3. Step 3: Cross multiply
   78,042.24x = 117,058.52 × 48,062.18
4. Step 4: Simplify right side
   78,042.24x = 5,626,088,071.58
5. Step 5: Solve for x
   x = 5,626,088,071.58/78,042.24
6. Step 6: Final answer
   x = 72,090.29