Finding the Fourth Proportional to 28,092.66, 42,141.51 and 7,316.34

Step by Step Solution

1. Step 1: Write the proportion equation
   28,092.66 : 42,141.51 = 7,316.34 : x
2. Step 2: Convert to fraction form
   28,092.66/42,141.51 = 7,316.34/x
3. Step 3: Cross multiply
   28,092.66x = 42,141.51 × 7,316.34
4. Step 4: Simplify right side
   28,092.66x = 308,321,615.27
5. Step 5: Solve for x
   x = 308,321,615.27/28,092.66
6. Step 6: Final answer
   x = 10,975.17