Finding the Fourth Proportional to 100,870.40, 151,305.57 and 33,384.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100,870.40 : 151,305.57 = 33,384.31 : x
2. Step 2: Convert to fraction form
   100,870.40/151,305.57 = 33,384.31/x
3. Step 3: Cross multiply
   100,870.40x = 151,305.57 × 33,384.31
4. Step 4: Simplify right side
   100,870.40x = 5,051,231,675.34
5. Step 5: Solve for x
   x = 5,051,231,675.34/100,870.40
6. Step 6: Final answer
   x = 50,076.45