Finding the Fourth Proportional to 108,322.42, 149,522.51 and 74,443.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,322.42 : 149,522.51 = 74,443.05 : x
2. Step 2: Convert to fraction form
   108,322.42/149,522.51 = 74,443.05/x
3. Step 3: Cross multiply
   108,322.42x = 149,522.51 × 74,443.05
4. Step 4: Simplify right side
   108,322.42x = 11,130,911,688.06
5. Step 5: Solve for x
   x = 11,130,911,688.06/108,322.42
6. Step 6: Final answer
   x = 102,757.23