Finding the Fourth Proportional to 136,105.16, 187,820.20 and 74,850.82

Step by Step Solution

1. Step 1: Write the proportion equation
   136,105.16 : 187,820.20 = 74,850.82 : x
2. Step 2: Convert to fraction form
   136,105.16/187,820.20 = 74,850.82/x
3. Step 3: Cross multiply
   136,105.16x = 187,820.20 × 74,850.82
4. Step 4: Simplify right side
   136,105.16x = 14,058,495,982.56
5. Step 5: Solve for x
   x = 14,058,495,982.56/136,105.16
6. Step 6: Final answer
   x = 103,291.43