Finding the Fourth Proportional to 78,587.06, 117,881.82 and 43,748.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,587.06 : 117,881.82 = 43,748.15 : x
2. Step 2: Convert to fraction form
   78,587.06/117,881.82 = 43,748.15/x
3. Step 3: Cross multiply
   78,587.06x = 117,881.82 × 43,748.15
4. Step 4: Simplify right side
   78,587.06x = 5,157,110,954.22
5. Step 5: Solve for x
   x = 5,157,110,954.22/78,587.06
6. Step 6: Final answer
   x = 65,622.91