Finding the Fourth Proportional to 1,411,501.05, 2,116,061.34 and 612,180.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411,501.05 : 2,116,061.34 = 612,180.57 : x
2. Step 2: Convert to fraction form
   1,411,501.05/2,116,061.34 = 612,180.57/x
3. Step 3: Cross multiply
   1,411,501.05x = 2,116,061.34 × 612,180.57
4. Step 4: Simplify right side
   1,411,501.05x = 1,295,411,637,276.16
5. Step 5: Solve for x
   x = 1,295,411,637,276.16/1,411,501.05
6. Step 6: Final answer
   x = 917,754.64