Finding the Fourth Proportional to 13,167,152.72, 18,170,697.42 and 7,366,031.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,167,152.72 : 18,170,697.42 = 7,366,031.34 : x
2. Step 2: Convert to fraction form
   13,167,152.72/18,170,697.42 = 7,366,031.34/x
3. Step 3: Cross multiply
   13,167,152.72x = 18,170,697.42 × 7,366,031.34
4. Step 4: Simplify right side
   13,167,152.72x = 133,845,926,665,377.16
5. Step 5: Solve for x
   x = 133,845,926,665,377.16/13,167,152.72
6. Step 6: Final answer
   x = 10,165,138.17