Finding the Fourth Proportional to 119,142.33, 178,754.50 and 74,717.07

Step by Step Solution

1. Step 1: Write the proportion equation
   119,142.33 : 178,754.50 = 74,717.07 : x
2. Step 2: Convert to fraction form
   119,142.33/178,754.50 = 74,717.07/x
3. Step 3: Cross multiply
   119,142.33x = 178,754.50 × 74,717.07
4. Step 4: Simplify right side
   119,142.33x = 13,356,011,492.10
5. Step 5: Solve for x
   x = 13,356,011,492.10/119,142.33
6. Step 6: Final answer
   x = 112,101.32