Finding the Fourth Proportional to 10,157.88, 15,237.50 and 3,917.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,157.88 : 15,237.50 = 3,917.96 : x
2. Step 2: Convert to fraction form
   10,157.88/15,237.50 = 3,917.96/x
3. Step 3: Cross multiply
   10,157.88x = 15,237.50 × 3,917.96
4. Step 4: Simplify right side
   10,157.88x = 59,699,819.72
5. Step 5: Solve for x
   x = 59,699,819.72/10,157.88
6. Step 6: Final answer
   x = 5,877.19