Finding the Fourth Proportional to 504,017.80, 756,141.52 and 149,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   504,017.80 : 756,141.52 = 149,018.50 : x
2. Step 2: Convert to fraction form
   504,017.80/756,141.52 = 149,018.50/x
3. Step 3: Cross multiply
   504,017.80x = 756,141.52 × 149,018.50
4. Step 4: Simplify right side
   504,017.80x = 112,679,075,098.12
5. Step 5: Solve for x
   x = 112,679,075,098.12/504,017.80
6. Step 6: Final answer
   x = 223,561.70