Finding the Fourth Proportional to 78,820.56, 118,229.59 and 36,677.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,820.56 : 118,229.59 = 36,677.07 : x
2. Step 2: Convert to fraction form
   78,820.56/118,229.59 = 36,677.07/x
3. Step 3: Cross multiply
   78,820.56x = 118,229.59 × 36,677.07
4. Step 4: Simplify right side
   78,820.56x = 4,336,314,948.50
5. Step 5: Solve for x
   x = 4,336,314,948.50/78,820.56
6. Step 6: Final answer
   x = 55,015.02