Finding the Fourth Proportional to 91,824.02, 137,606.70 and 73,020.62

Step by Step Solution

1. Step 1: Write the proportion equation
   91,824.02 : 137,606.70 = 73,020.62 : x
2. Step 2: Convert to fraction form
   91,824.02/137,606.70 = 73,020.62/x
3. Step 3: Cross multiply
   91,824.02x = 137,606.70 × 73,020.62
4. Step 4: Simplify right side
   91,824.02x = 10,048,126,550.15
5. Step 5: Solve for x
   x = 10,048,126,550.15/91,824.02
6. Step 6: Final answer
   x = 109,428.08