Finding the Fourth Proportional to 83,987.04, 115,915.42 and 49,997.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,987.04 : 115,915.42 = 49,997.02 : x
2. Step 2: Convert to fraction form
   83,987.04/115,915.42 = 49,997.02/x
3. Step 3: Cross multiply
   83,987.04x = 115,915.42 × 49,997.02
4. Step 4: Simplify right side
   83,987.04x = 5,795,425,572.05
5. Step 5: Solve for x
   x = 5,795,425,572.05/83,987.04
6. Step 6: Final answer
   x = 69,003.81