Finding the Fourth Proportional to 23,609,676.55, 32,580,493.47 and 13,155,152.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,609,676.55 : 32,580,493.47 = 13,155,152.71 : x
2. Step 2: Convert to fraction form
   23,609,676.55/32,580,493.47 = 13,155,152.71/x
3. Step 3: Cross multiply
   23,609,676.55x = 32,580,493.47 × 13,155,152.71
4. Step 4: Simplify right side
   23,609,676.55x = 428,601,366,965,007.81
5. Step 5: Solve for x
   x = 428,601,366,965,007.81/23,609,676.55
6. Step 6: Final answer
   x = 18,153,631.46