Finding the Fourth Proportional to 19,200,598.54, 28,800,925.74 and 7,841,047.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,200,598.54 : 28,800,925.74 = 7,841,047.18 : x
2. Step 2: Convert to fraction form
   19,200,598.54/28,800,925.74 = 7,841,047.18/x
3. Step 3: Cross multiply
   19,200,598.54x = 28,800,925.74 × 7,841,047.18
4. Step 4: Simplify right side
   19,200,598.54x = 225,829,417,555,016.41
5. Step 5: Solve for x
   x = 225,829,417,555,016.41/19,200,598.54
6. Step 6: Final answer
   x = 11,761,582.18