Finding the Fourth Proportional to 91,482.96, 137,224.12 and 60,091.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,482.96 : 137,224.12 = 60,091.12 : x
2. Step 2: Convert to fraction form
   91,482.96/137,224.12 = 60,091.12/x
3. Step 3: Cross multiply
   91,482.96x = 137,224.12 × 60,091.12
4. Step 4: Simplify right side
   91,482.96x = 8,245,951,061.81
5. Step 5: Solve for x
   x = 8,245,951,061.81/91,482.96
6. Step 6: Final answer
   x = 90,136.47