Finding the Fourth Proportional to 10,070.16, 15,113.34 and 5,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070.16 : 15,113.34 = 5,141.12 : x
2. Step 2: Convert to fraction form
   10,070.16/15,113.34 = 5,141.12/x
3. Step 3: Cross multiply
   10,070.16x = 15,113.34 × 5,141.12
4. Step 4: Simplify right side
   10,070.16x = 77,699,494.54
5. Step 5: Solve for x
   x = 77,699,494.54/10,070.16
6. Step 6: Final answer
   x = 7,715.82