Finding the Fourth Proportional to 91,330.72, 136,804.80 and 73,464.88

Step by Step Solution

1. Step 1: Write the proportion equation
   91,330.72 : 136,804.80 = 73,464.88 : x
2. Step 2: Convert to fraction form
   91,330.72/136,804.80 = 73,464.88/x
3. Step 3: Cross multiply
   91,330.72x = 136,804.80 × 73,464.88
4. Step 4: Simplify right side
   91,330.72x = 10,050,348,215.42
5. Step 5: Solve for x
   x = 10,050,348,215.42/91,330.72
6. Step 6: Final answer
   x = 110,043.46