Finding the Fourth Proportional to 9,470,212, 13,068,892.56 and 5,177,860

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470,212 : 13,068,892.56 = 5,177,860 : x
2. Step 2: Convert to fraction form
   9,470,212/13,068,892.56 = 5,177,860/x
3. Step 3: Cross multiply
   9,470,212x = 13,068,892.56 × 5,177,860
4. Step 4: Simplify right side
   9,470,212x = 67,668,896,030,721.60
5. Step 5: Solve for x
   x = 67,668,896,030,721.60/9,470,212
6. Step 6: Final answer
   x = 7,145,446.80