Finding the Fourth Proportional to 12,997,614.42, 17,937,268.56 and 7,196,396.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,614.42 : 17,937,268.56 = 7,196,396.22 : x
2. Step 2: Convert to fraction form
   12,997,614.42/17,937,268.56 = 7,196,396.22/x
3. Step 3: Cross multiply
   12,997,614.42x = 17,937,268.56 × 7,196,396.22
4. Step 4: Simplify right side
   12,997,614.42x = 129,083,691,662,308.83
5. Step 5: Solve for x
   x = 129,083,691,662,308.83/12,997,614.42
6. Step 6: Final answer
   x = 9,931,337.20