Finding the Fourth Proportional to 60,919.92, 91,309.91 and 38,134.01

Step by Step Solution

1. Step 1: Write the proportion equation
   60,919.92 : 91,309.91 = 38,134.01 : x
2. Step 2: Convert to fraction form
   60,919.92/91,309.91 = 38,134.01/x
3. Step 3: Cross multiply
   60,919.92x = 91,309.91 × 38,134.01
4. Step 4: Simplify right side
   60,919.92x = 3,482,012,373.82
5. Step 5: Solve for x
   x = 3,482,012,373.82/60,919.92
6. Step 6: Final answer
   x = 57,157.21