Finding the Fourth Proportional to 93,384.72, 128,870.46 and 50,942.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,384.72 : 128,870.46 = 50,942.88 : x
2. Step 2: Convert to fraction form
   93,384.72/128,870.46 = 50,942.88/x
3. Step 3: Cross multiply
   93,384.72x = 128,870.46 × 50,942.88
4. Step 4: Simplify right side
   93,384.72x = 6,565,032,379.32
5. Step 5: Solve for x
   x = 6,565,032,379.32/93,384.72
6. Step 6: Final answer
   x = 70,300.93