Finding the Fourth Proportional to 550,619.31, 825,754.00 and 374,259.63

Step by Step Solution

1. Step 1: Write the proportion equation
   550,619.31 : 825,754.00 = 374,259.63 : x
2. Step 2: Convert to fraction form
   550,619.31/825,754.00 = 374,259.63/x
3. Step 3: Cross multiply
   550,619.31x = 825,754.00 × 374,259.63
4. Step 4: Simplify right side
   550,619.31x = 309,046,384,639.72
5. Step 5: Solve for x
   x = 309,046,384,639.72/550,619.31
6. Step 6: Final answer
   x = 561,270.52