Finding the Fourth Proportional to 1,117,615.31, 1,542,266.31 and 634,151.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,615.31 : 1,542,266.31 = 634,151.63 : x
2. Step 2: Convert to fraction form
   1,117,615.31/1,542,266.31 = 634,151.63/x
3. Step 3: Cross multiply
   1,117,615.31x = 1,542,266.31 × 634,151.63
4. Step 4: Simplify right side
   1,117,615.31x = 978,030,694,380.59
5. Step 5: Solve for x
   x = 978,030,694,380.59/1,117,615.31
6. Step 6: Final answer
   x = 875,104.95