Finding the Fourth Proportional to 70,320.83, 96,941.61 and 50,142.65

Step by Step Solution

1. Step 1: Write the proportion equation
   70,320.83 : 96,941.61 = 50,142.65 : x
2. Step 2: Convert to fraction form
   70,320.83/96,941.61 = 50,142.65/x
3. Step 3: Cross multiply
   70,320.83x = 96,941.61 × 50,142.65
4. Step 4: Simplify right side
   70,320.83x = 4,860,908,735.96
5. Step 5: Solve for x
   x = 4,860,908,735.96/70,320.83
6. Step 6: Final answer
   x = 69,124.74