Finding the Fourth Proportional to 428,549.00, 642,757.82 and 113,030.51

Step by Step Solution

1. Step 1: Write the proportion equation
   428,549.00 : 642,757.82 = 113,030.51 : x
2. Step 2: Convert to fraction form
   428,549.00/642,757.82 = 113,030.51/x
3. Step 3: Cross multiply
   428,549.00x = 642,757.82 × 113,030.51
4. Step 4: Simplify right side
   428,549.00x = 72,651,240,422.15
5. Step 5: Solve for x
   x = 72,651,240,422.15/428,549.00
6. Step 6: Final answer
   x = 169,528.43