Finding the Fourth Proportional to 76,810.35, 115,630.49 and 69,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,810.35 : 115,630.49 = 69,086.00 : x
2. Step 2: Convert to fraction form
   76,810.35/115,630.49 = 69,086.00/x
3. Step 3: Cross multiply
   76,810.35x = 115,630.49 × 69,086.00
4. Step 4: Simplify right side
   76,810.35x = 7,988,447,108.56
5. Step 5: Solve for x
   x = 7,988,447,108.56/76,810.35
6. Step 6: Final answer
   x = 104,002.22