Finding the Fourth Proportional to 12,997,656.42, 17,937,326.52 and 7,196,438.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,656.42 : 17,937,326.52 = 7,196,438.34 : x
2. Step 2: Convert to fraction form
   12,997,656.42/17,937,326.52 = 7,196,438.34/x
3. Step 3: Cross multiply
   12,997,656.42x = 17,937,326.52 × 7,196,438.34
4. Step 4: Simplify right side
   12,997,656.42x = 129,084,864,285,626.77
5. Step 5: Solve for x
   x = 129,084,864,285,626.77/12,997,656.42
6. Step 6: Final answer
   x = 9,931,395.33