Finding the Fourth Proportional to 972,642.58, 1,342,010.37 and 570,156.82

Step by Step Solution

1. Step 1: Write the proportion equation
   972,642.58 : 1,342,010.37 = 570,156.82 : x
2. Step 2: Convert to fraction form
   972,642.58/1,342,010.37 = 570,156.82/x
3. Step 3: Cross multiply
   972,642.58x = 1,342,010.37 × 570,156.82
4. Step 4: Simplify right side
   972,642.58x = 765,156,364,966.22
5. Step 5: Solve for x
   x = 765,156,364,966.22/972,642.58
6. Step 6: Final answer
   x = 786,677.84