Finding the Fourth Proportional to 134,150.72, 185,131.68 and 74,538.56

Step by Step Solution

1. Step 1: Write the proportion equation
   134,150.72 : 185,131.68 = 74,538.56 : x
2. Step 2: Convert to fraction form
   134,150.72/185,131.68 = 74,538.56/x
3. Step 3: Cross multiply
   134,150.72x = 185,131.68 × 74,538.56
4. Step 4: Simplify right side
   134,150.72x = 13,799,448,837.58
5. Step 5: Solve for x
   x = 13,799,448,837.58/134,150.72
6. Step 6: Final answer
   x = 102,865.26