Finding the Fourth Proportional to 142,100.15, 213,104.07 and 47,304.86

Step by Step Solution

1. Step 1: Write the proportion equation
   142,100.15 : 213,104.07 = 47,304.86 : x
2. Step 2: Convert to fraction form
   142,100.15/213,104.07 = 47,304.86/x
3. Step 3: Cross multiply
   142,100.15x = 213,104.07 × 47,304.86
4. Step 4: Simplify right side
   142,100.15x = 10,080,857,131.26
5. Step 5: Solve for x
   x = 10,080,857,131.26/142,100.15
6. Step 6: Final answer
   x = 70,941.92