Finding the Fourth Proportional to 141,886.34, 212,892.20 and 74,402.27

Step by Step Solution

1. Step 1: Write the proportion equation
   141,886.34 : 212,892.20 = 74,402.27 : x
2. Step 2: Convert to fraction form
   141,886.34/212,892.20 = 74,402.27/x
3. Step 3: Cross multiply
   141,886.34x = 212,892.20 × 74,402.27
4. Step 4: Simplify right side
   141,886.34x = 15,839,662,573.28
5. Step 5: Solve for x
   x = 15,839,662,573.28/141,886.34
6. Step 6: Final answer
   x = 111,636.28