Finding the Fourth Proportional to 91,139.91, 136,616.04 and 34,965.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91,139.91 : 136,616.04 = 34,965.06 : x
2. Step 2: Convert to fraction form
   91,139.91/136,616.04 = 34,965.06/x
3. Step 3: Cross multiply
   91,139.91x = 136,616.04 × 34,965.06
4. Step 4: Simplify right side
   91,139.91x = 4,776,788,035.56
5. Step 5: Solve for x
   x = 4,776,788,035.56/91,139.91
6. Step 6: Final answer
   x = 52,411.59