Finding the Fourth Proportional to 60,948.12, 91,017.15 and 60,288.33

Step by Step Solution

1. Step 1: Write the proportion equation
   60,948.12 : 91,017.15 = 60,288.33 : x
2. Step 2: Convert to fraction form
   60,948.12/91,017.15 = 60,288.33/x
3. Step 3: Cross multiply
   60,948.12x = 91,017.15 × 60,288.33
4. Step 4: Simplify right side
   60,948.12x = 5,487,271,974.86
5. Step 5: Solve for x
   x = 5,487,271,974.86/60,948.12
6. Step 6: Final answer
   x = 90,031.85