Finding the Fourth Proportional to 90,071.64, 124,167.06 and 63,132.84

Step by Step Solution

1. Step 1: Write the proportion equation
   90,071.64 : 124,167.06 = 63,132.84 : x
2. Step 2: Convert to fraction form
   90,071.64/124,167.06 = 63,132.84/x
3. Step 3: Cross multiply
   90,071.64x = 124,167.06 × 63,132.84
4. Step 4: Simplify right side
   90,071.64x = 7,839,019,132.25
5. Step 5: Solve for x
   x = 7,839,019,132.25/90,071.64
6. Step 6: Final answer
   x = 87,030.94