Finding the Fourth Proportional to 12,974,105.22, 17,904,638.96 and 7,173,261.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974,105.22 : 17,904,638.96 = 7,173,261.46 : x
2. Step 2: Convert to fraction form
   12,974,105.22/17,904,638.96 = 7,173,261.46/x
3. Step 3: Cross multiply
   12,974,105.22x = 17,904,638.96 × 7,173,261.46
4. Step 4: Simplify right side
   12,974,105.22x = 128,434,656,606,982.48
5. Step 5: Solve for x
   x = 128,434,656,606,982.48/12,974,105.22
6. Step 6: Final answer
   x = 9,899,307.46