Finding the Fourth Proportional to 1,411,499.02, 2,116,058.30 and 612,178.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411,499.02 : 2,116,058.30 = 612,178.54 : x
2. Step 2: Convert to fraction form
   1,411,499.02/2,116,058.30 = 612,178.54/x
3. Step 3: Cross multiply
   1,411,499.02x = 2,116,058.30 × 612,178.54
4. Step 4: Simplify right side
   1,411,499.02x = 1,295,405,480,648.88
5. Step 5: Solve for x
   x = 1,295,405,480,648.88/1,411,499.02
6. Step 6: Final answer
   x = 917,751.60