Finding the Fourth Proportional to 10,001.75, 15,012.05 and 5,074.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.75 : 15,012.05 = 5,074.93 : x
2. Step 2: Convert to fraction form
   10,001.75/15,012.05 = 5,074.93/x
3. Step 3: Cross multiply
   10,001.75x = 15,012.05 × 5,074.93
4. Step 4: Simplify right side
   10,001.75x = 76,185,061.21
5. Step 5: Solve for x
   x = 76,185,061.21/10,001.75
6. Step 6: Final answer
   x = 7,617.17