Finding the Fourth Proportional to 31,458,315.72, 43,413,822.59 and 17,519,670.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,458,315.72 : 43,413,822.59 = 17,519,670.78 : x
2. Step 2: Convert to fraction form
   31,458,315.72/43,413,822.59 = 17,519,670.78/x
3. Step 3: Cross multiply
   31,458,315.72x = 43,413,822.59 × 17,519,670.78
4. Step 4: Simplify right side
   31,458,315.72x = 760,595,878,990,528.62
5. Step 5: Solve for x
   x = 760,595,878,990,528.62/31,458,315.72
6. Step 6: Final answer
   x = 24,177,895.78