Finding the Fourth Proportional to 50,881.62, 70,207.59 and 30,725.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,881.62 : 70,207.59 = 30,725.01 : x
2. Step 2: Convert to fraction form
   50,881.62/70,207.59 = 30,725.01/x
3. Step 3: Cross multiply
   50,881.62x = 70,207.59 × 30,725.01
4. Step 4: Simplify right side
   50,881.62x = 2,157,128,904.83
5. Step 5: Solve for x
   x = 2,157,128,904.83/50,881.62
6. Step 6: Final answer
   x = 42,395.05