Finding the Fourth Proportional to 1,365,490.37, 2,048,053.27 and 405,927.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365,490.37 : 2,048,053.27 = 405,927.98 : x
2. Step 2: Convert to fraction form
   1,365,490.37/2,048,053.27 = 405,927.98/x
3. Step 3: Cross multiply
   1,365,490.37x = 2,048,053.27 × 405,927.98
4. Step 4: Simplify right side
   1,365,490.37x = 831,362,126,823.50
5. Step 5: Solve for x
   x = 831,362,126,823.50/1,365,490.37
6. Step 6: Final answer
   x = 608,837.78