Finding the Fourth Proportional to 550,012.61, 825,019.59 and 150,656.84

Step by Step Solution

1. Step 1: Write the proportion equation
   550,012.61 : 825,019.59 = 150,656.84 : x
2. Step 2: Convert to fraction form
   550,012.61/825,019.59 = 150,656.84/x
3. Step 3: Cross multiply
   550,012.61x = 825,019.59 × 150,656.84
4. Step 4: Simplify right side
   550,012.61x = 124,294,844,367.50
5. Step 5: Solve for x
   x = 124,294,844,367.50/550,012.61
6. Step 6: Final answer
   x = 225,985.44