Finding the Fourth Proportional to 136,196.91, 187,945.72 and 75,762.81

Step by Step Solution

1. Step 1: Write the proportion equation
   136,196.91 : 187,945.72 = 75,762.81 : x
2. Step 2: Convert to fraction form
   136,196.91/187,945.72 = 75,762.81/x
3. Step 3: Cross multiply
   136,196.91x = 187,945.72 × 75,762.81
4. Step 4: Simplify right side
   136,196.91x = 14,239,295,685.27
5. Step 5: Solve for x
   x = 14,239,295,685.27/136,196.91
6. Step 6: Final answer
   x = 104,549.33