Finding the Fourth Proportional to 3,669,868.15, 5,504,802.23 and 1,272,916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,868.15 : 5,504,802.23 = 1,272,916.15 : x
2. Step 2: Convert to fraction form
   3,669,868.15/5,504,802.23 = 1,272,916.15/x
3. Step 3: Cross multiply
   3,669,868.15x = 5,504,802.23 × 1,272,916.15
4. Step 4: Simplify right side
   3,669,868.15x = 7,007,151,661,123.02
5. Step 5: Solve for x
   x = 7,007,151,661,123.02/3,669,868.15
6. Step 6: Final answer
   x = 1,909,374.23