Finding the Fourth Proportional to 1,281,054.15, 1,922,179.01 and 571,008.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,054.15 : 1,922,179.01 = 571,008.15 : x
2. Step 2: Convert to fraction form
   1,281,054.15/1,922,179.01 = 571,008.15/x
3. Step 3: Cross multiply
   1,281,054.15x = 1,922,179.01 × 571,008.15
4. Step 4: Simplify right side
   1,281,054.15x = 1,097,579,877,613.89
5. Step 5: Solve for x
   x = 1,097,579,877,613.89/1,281,054.15
6. Step 6: Final answer
   x = 856,778.68