Finding the Fourth Proportional to 100,711.89, 151,134.38 and 47,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   100,711.89 : 151,134.38 = 47,419.10 : x
2. Step 2: Convert to fraction form
   100,711.89/151,134.38 = 47,419.10/x
3. Step 3: Cross multiply
   100,711.89x = 151,134.38 × 47,419.10
4. Step 4: Simplify right side
   100,711.89x = 7,166,656,775.04
5. Step 5: Solve for x
   x = 7,166,656,775.04/100,711.89
6. Step 6: Final answer
   x = 71,159.99