Finding the Fourth Proportional to 13,139,974.83, 19,714,172.82 and 9,200,455.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,139,974.83 : 19,714,172.82 = 9,200,455.88 : x
2. Step 2: Convert to fraction form
   13,139,974.83/19,714,172.82 = 9,200,455.88/x
3. Step 3: Cross multiply
   13,139,974.83x = 19,714,172.82 × 9,200,455.88
4. Step 4: Simplify right side
   13,139,974.83x = 181,379,377,108,032.59
5. Step 5: Solve for x
   x = 181,379,377,108,032.59/13,139,974.83
6. Step 6: Final answer
   x = 13,803,632.01