Finding the Fourth Proportional to 1,117,616.31, 1,542,267.69 and 634,152.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,616.31 : 1,542,267.69 = 634,152.63 : x
2. Step 2: Convert to fraction form
   1,117,616.31/1,542,267.69 = 634,152.63/x
3. Step 3: Cross multiply
   1,117,616.31x = 1,542,267.69 × 634,152.63
4. Step 4: Simplify right side
   1,117,616.31x = 978,033,111,777.53
5. Step 5: Solve for x
   x = 978,033,111,777.53/1,117,616.31
6. Step 6: Final answer
   x = 875,106.33