Finding the Fourth Proportional to 147,854.88, 221,870.16 and 54,426.24

Step by Step Solution

1. Step 1: Write the proportion equation
   147,854.88 : 221,870.16 = 54,426.24 : x
2. Step 2: Convert to fraction form
   147,854.88/221,870.16 = 54,426.24/x
3. Step 3: Cross multiply
   147,854.88x = 221,870.16 × 54,426.24
4. Step 4: Simplify right side
   147,854.88x = 12,075,558,577.00
5. Step 5: Solve for x
   x = 12,075,558,577.00/147,854.88
6. Step 6: Final answer
   x = 81,671.69