Finding the Fourth Proportional to 90,017.28, 134,984.88 and 37,395.36

Step by Step Solution

1. Step 1: Write the proportion equation
   90,017.28 : 134,984.88 = 37,395.36 : x
2. Step 2: Convert to fraction form
   90,017.28/134,984.88 = 37,395.36/x
3. Step 3: Cross multiply
   90,017.28x = 134,984.88 × 37,395.36
4. Step 4: Simplify right side
   90,017.28x = 5,047,808,182.16
5. Step 5: Solve for x
   x = 5,047,808,182.16/90,017.28
6. Step 6: Final answer
   x = 56,075.99