Finding the Fourth Proportional to 78,069, 116,813.03 and 68,536.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,069 : 116,813.03 = 68,536.38 : x
2. Step 2: Convert to fraction form
   78,069/116,813.03 = 68,536.38/x
3. Step 3: Cross multiply
   78,069x = 116,813.03 × 68,536.38
4. Step 4: Simplify right side
   78,069x = 8,005,941,870.35
5. Step 5: Solve for x
   x = 8,005,941,870.35/78,069
6. Step 6: Final answer
   x = 102,549.56