Finding the Fourth Proportional to 136,377.98, 204,471.89 and 60,435.16

Step by Step Solution

1. Step 1: Write the proportion equation
   136,377.98 : 204,471.89 = 60,435.16 : x
2. Step 2: Convert to fraction form
   136,377.98/204,471.89 = 60,435.16/x
3. Step 3: Cross multiply
   136,377.98x = 204,471.89 × 60,435.16
4. Step 4: Simplify right side
   136,377.98x = 12,357,292,291.03
5. Step 5: Solve for x
   x = 12,357,292,291.03/136,377.98
6. Step 6: Final answer
   x = 90,610.61