Finding the Fourth Proportional to 12,997,162.47, 17,937,287.42 and 7,195,944.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,162.47 : 17,937,287.42 = 7,195,944.23 : x
2. Step 2: Convert to fraction form
   12,997,162.47/17,937,287.42 = 7,195,944.23/x
3. Step 3: Cross multiply
   12,997,162.47x = 17,937,287.42 × 7,195,944.23
4. Step 4: Simplify right side
   12,997,162.47x = 129,075,719,911,800.61
5. Step 5: Solve for x
   x = 129,075,719,911,800.61/12,997,162.47
6. Step 6: Final answer
   x = 9,931,069.20