Finding the Fourth Proportional to 30,980,823.53, 42,754,334.24 and 17,042,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,980,823.53 : 42,754,334.24 = 17,042,536.72 : x
2. Step 2: Convert to fraction form
   30,980,823.53/42,754,334.24 = 17,042,536.72/x
3. Step 3: Cross multiply
   30,980,823.53x = 42,754,334.24 × 17,042,536.72
4. Step 4: Simplify right side
   30,980,823.53x = 728,642,311,032,254.88
5. Step 5: Solve for x
   x = 728,642,311,032,254.88/30,980,823.53
6. Step 6: Final answer
   x = 23,519,139.52