Finding the Fourth Proportional to 45,997.74, 69,084.15 and 28,589.22

Step by Step Solution

1. Step 1: Write the proportion equation
   45,997.74 : 69,084.15 = 28,589.22 : x
2. Step 2: Convert to fraction form
   45,997.74/69,084.15 = 28,589.22/x
3. Step 3: Cross multiply
   45,997.74x = 69,084.15 × 28,589.22
4. Step 4: Simplify right side
   45,997.74x = 1,975,061,962.86
5. Step 5: Solve for x
   x = 1,975,061,962.86/45,997.74
6. Step 6: Final answer
   x = 42,938.24