Finding the Fourth Proportional to 40,309,423.98, 55,609,446.69 and 25,617,216.30

Step by Step Solution

1. Step 1: Write the proportion equation
   40,309,423.98 : 55,609,446.69 = 25,617,216.30 : x
2. Step 2: Convert to fraction form
   40,309,423.98/55,609,446.69 = 25,617,216.30/x
3. Step 3: Cross multiply
   40,309,423.98x = 55,609,446.69 × 25,617,216.30
4. Step 4: Simplify right side
   40,309,423.98x = 1,424,559,224,181,049
5. Step 5: Solve for x
   x = 1,424,559,224,181,049/40,309,423.98
6. Step 6: Final answer
   x = 35,340,599.88