Finding the Fourth Proportional to 13,024,477.72, 17,974,883.46 and 7,225,128.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,024,477.72 : 17,974,883.46 = 7,225,128.10 : x
2. Step 2: Convert to fraction form
   13,024,477.72/17,974,883.46 = 7,225,128.10/x
3. Step 3: Cross multiply
   13,024,477.72x = 17,974,883.46 × 7,225,128.10
4. Step 4: Simplify right side
   13,024,477.72x = 129,870,835,581,071.22
5. Step 5: Solve for x
   x = 129,870,835,581,071.22/13,024,477.72
6. Step 6: Final answer
   x = 9,971,289.32