Finding the Fourth Proportional to 91,144.83, 136,748.70 and 37,865.43

Step by Step Solution

1. Step 1: Write the proportion equation
   91,144.83 : 136,748.70 = 37,865.43 : x
2. Step 2: Convert to fraction form
   91,144.83/136,748.70 = 37,865.43/x
3. Step 3: Cross multiply
   91,144.83x = 136,748.70 × 37,865.43
4. Step 4: Simplify right side
   91,144.83x = 5,178,048,327.44
5. Step 5: Solve for x
   x = 5,178,048,327.44/91,144.83
6. Step 6: Final answer
   x = 56,811.21