Finding the Fourth Proportional to 1,570,404.15, 2,203,542.45 and 1,570,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,404.15 : 2,203,542.45 = 1,570,404.15 : x
2. Step 2: Convert to fraction form
   1,570,404.15/2,203,542.45 = 1,570,404.15/x
3. Step 3: Cross multiply
   1,570,404.15x = 2,203,542.45 × 1,570,404.15
4. Step 4: Simplify right side
   1,570,404.15x = 3,460,452,208,181.17
5. Step 5: Solve for x
   x = 3,460,452,208,181.17/1,570,404.15
6. Step 6: Final answer
   x = 2,203,542.45