Finding the Fourth Proportional to 136,365, 188,200.98 and 76,760.52

Step by Step Solution

1. Step 1: Write the proportion equation
   136,365 : 188,200.98 = 76,760.52 : x
2. Step 2: Convert to fraction form
   136,365/188,200.98 = 76,760.52/x
3. Step 3: Cross multiply
   136,365x = 188,200.98 × 76,760.52
4. Step 4: Simplify right side
   136,365x = 14,446,405,089.31
5. Step 5: Solve for x
   x = 14,446,405,089.31/136,365
6. Step 6: Final answer
   x = 105,939.24