Finding the Fourth Proportional to 50,978.17, 70,321.53 and 47,369.93

Step by Step Solution

1. Step 1: Write the proportion equation
   50,978.17 : 70,321.53 = 47,369.93 : x
2. Step 2: Convert to fraction form
   50,978.17/70,321.53 = 47,369.93/x
3. Step 3: Cross multiply
   50,978.17x = 70,321.53 × 47,369.93
4. Step 4: Simplify right side
   50,978.17x = 3,331,125,953.59
5. Step 5: Solve for x
   x = 3,331,125,953.59/50,978.17
6. Step 6: Final answer
   x = 65,344.17