Finding the Fourth Proportional to 3,963,386.10, 5,945,079.15 and 971,570.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963,386.10 : 5,945,079.15 = 971,570.10 : x
2. Step 2: Convert to fraction form
   3,963,386.10/5,945,079.15 = 971,570.10/x
3. Step 3: Cross multiply
   3,963,386.10x = 5,945,079.15 × 971,570.10
4. Step 4: Simplify right side
   3,963,386.10x = 5,776,061,144,273.42
5. Step 5: Solve for x
   x = 5,776,061,144,273.42/3,963,386.10
6. Step 6: Final answer
   x = 1,457,355.15