Finding the Fourth Proportional to 91,085.56, 136,654.74 and 37,767.64

Step by Step Solution

1. Step 1: Write the proportion equation
   91,085.56 : 136,654.74 = 37,767.64 : x
2. Step 2: Convert to fraction form
   91,085.56/136,654.74 = 37,767.64/x
3. Step 3: Cross multiply
   91,085.56x = 136,654.74 × 37,767.64
4. Step 4: Simplify right side
   91,085.56x = 5,161,127,024.61
5. Step 5: Solve for x
   x = 5,161,127,024.61/91,085.56
6. Step 6: Final answer
   x = 56,662.41