Finding the Fourth Proportional to 23,281,839.59, 32,128,970.49 and 12,685,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,281,839.59 : 32,128,970.49 = 12,685,176.72 : x
2. Step 2: Convert to fraction form
   23,281,839.59/32,128,970.49 = 12,685,176.72/x
3. Step 3: Cross multiply
   23,281,839.59x = 32,128,970.49 × 12,685,176.72
4. Step 4: Simplify right side
   23,281,839.59x = 407,561,668,497,315
5. Step 5: Solve for x
   x = 407,561,668,497,315/23,281,839.59
6. Step 6: Final answer
   x = 17,505,561.23