Finding the Fourth Proportional to 90,066.20, 135,026.37 and 37,515.02

Step by Step Solution

1. Step 1: Write the proportion equation
   90,066.20 : 135,026.37 = 37,515.02 : x
2. Step 2: Convert to fraction form
   90,066.20/135,026.37 = 37,515.02/x
3. Step 3: Cross multiply
   90,066.20x = 135,026.37 × 37,515.02
4. Step 4: Simplify right side
   90,066.20x = 5,065,516,971.08
5. Step 5: Solve for x
   x = 5,065,516,971.08/90,066.20
6. Step 6: Final answer
   x = 56,242.15