Finding the Fourth Proportional to 11,090,793.20, 16,608,196.20 and 7,283,663.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,090,793.20 : 16,608,196.20 = 7,283,663.60 : x
2. Step 2: Convert to fraction form
   11,090,793.20/16,608,196.20 = 7,283,663.60/x
3. Step 3: Cross multiply
   11,090,793.20x = 16,608,196.20 × 7,283,663.60
4. Step 4: Simplify right side
   11,090,793.20x = 120,968,514,123,598.31
5. Step 5: Solve for x
   x = 120,968,514,123,598.31/11,090,793.20
6. Step 6: Final answer
   x = 10,907,111.15