Finding the Fourth Proportional to 141,980.42, 212,948.06 and 47,202.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,980.42 : 212,948.06 = 47,202.72 : x
2. Step 2: Convert to fraction form
   141,980.42/212,948.06 = 47,202.72/x
3. Step 3: Cross multiply
   141,980.42x = 212,948.06 × 47,202.72
4. Step 4: Simplify right side
   141,980.42x = 10,051,727,650.72
5. Step 5: Solve for x
   x = 10,051,727,650.72/141,980.42
6. Step 6: Final answer
   x = 70,796.58