Finding the Fourth Proportional to 91,280,638.02, 136,936,900.26 and 40,161,328.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,280,638.02 : 136,936,900.26 = 40,161,328.24 : x
2. Step 2: Convert to fraction form
   91,280,638.02/136,936,900.26 = 40,161,328.24/x
3. Step 3: Cross multiply
   91,280,638.02x = 136,936,900.26 × 40,161,328.24
4. Step 4: Simplify right side
   91,280,638.02x = 5,499,567,799,510,001
5. Step 5: Solve for x
   x = 5,499,567,799,510,001/91,280,638.02
6. Step 6: Final answer
   x = 60,249,007.01