Finding the Fourth Proportional to 1,411,499.05, 2,116,058.34 and 612,178.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411,499.05 : 2,116,058.34 = 612,178.57 : x
2. Step 2: Convert to fraction form
   1,411,499.05/2,116,058.34 = 612,178.57/x
3. Step 3: Cross multiply
   1,411,499.05x = 2,116,058.34 × 612,178.57
4. Step 4: Simplify right side
   1,411,499.05x = 1,295,405,568,617.77
5. Step 5: Solve for x
   x = 1,295,405,568,617.77/1,411,499.05
6. Step 6: Final answer
   x = 917,751.64