Finding the Fourth Proportional to 140,903.34, 211,382.72 and 52,157.62

Step by Step Solution

1. Step 1: Write the proportion equation
   140,903.34 : 211,382.72 = 52,157.62 : x
2. Step 2: Convert to fraction form
   140,903.34/211,382.72 = 52,157.62/x
3. Step 3: Cross multiply
   140,903.34x = 211,382.72 × 52,157.62
4. Step 4: Simplify right side
   140,903.34x = 11,025,219,584.33
5. Step 5: Solve for x
   x = 11,025,219,584.33/140,903.34
6. Step 6: Final answer
   x = 78,246.69