Finding the Fourth Proportional to 91,049.32, 136,616.24 and 34,870.80

Step by Step Solution

1. Step 1: Write the proportion equation
   91,049.32 : 136,616.24 = 34,870.80 : x
2. Step 2: Convert to fraction form
   91,049.32/136,616.24 = 34,870.80/x
3. Step 3: Cross multiply
   91,049.32x = 136,616.24 × 34,870.80
4. Step 4: Simplify right side
   91,049.32x = 4,763,917,581.79
5. Step 5: Solve for x
   x = 4,763,917,581.79/91,049.32
6. Step 6: Final answer
   x = 52,322.39