Finding the Fourth Proportional to 91,284.42, 136,925.15 and 35,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,284.42 : 136,925.15 = 35,136.72 : x
2. Step 2: Convert to fraction form
   91,284.42/136,925.15 = 35,136.72/x
3. Step 3: Cross multiply
   91,284.42x = 136,925.15 × 35,136.72
4. Step 4: Simplify right side
   91,284.42x = 4,811,100,656.51
5. Step 5: Solve for x
   x = 4,811,100,656.51/91,284.42
6. Step 6: Final answer
   x = 52,704.51