Finding the Fourth Proportional to 91,341.42, 136,929.10 and 35,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,341.42 : 136,929.10 = 35,145.69 : x
2. Step 2: Convert to fraction form
   91,341.42/136,929.10 = 35,145.69/x
3. Step 3: Cross multiply
   91,341.42x = 136,929.10 × 35,145.69
4. Step 4: Simplify right side
   91,341.42x = 4,812,467,257.55
5. Step 5: Solve for x
   x = 4,812,467,257.55/91,341.42
6. Step 6: Final answer
   x = 52,686.58