Finding the Fourth Proportional to 136,499.82, 204,749.76 and 53,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,499.82 : 204,749.76 = 53,335.50 : x
2. Step 2: Convert to fraction form
   136,499.82/204,749.76 = 53,335.50/x
3. Step 3: Cross multiply
   136,499.82x = 204,749.76 × 53,335.50
4. Step 4: Simplify right side
   136,499.82x = 10,920,430,824.48
5. Step 5: Solve for x
   x = 10,920,430,824.48/136,499.82
6. Step 6: Final answer
   x = 80,003.26