Finding the Fourth Proportional to 78,230.56, 117,399.30 and 43,194.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,230.56 : 117,399.30 = 43,194.82 : x
2. Step 2: Convert to fraction form
   78,230.56/117,399.30 = 43,194.82/x
3. Step 3: Cross multiply
   78,230.56x = 117,399.30 × 43,194.82
4. Step 4: Simplify right side
   78,230.56x = 5,071,041,631.63
5. Step 5: Solve for x
   x = 5,071,041,631.63/78,230.56
6. Step 6: Final answer
   x = 64,821.75