Finding the Fourth Proportional to 146,824.80, 220,086.72 and 99,444.84

Step by Step Solution

1. Step 1: Write the proportion equation
   146,824.80 : 220,086.72 = 99,444.84 : x
2. Step 2: Convert to fraction form
   146,824.80/220,086.72 = 99,444.84/x
3. Step 3: Cross multiply
   146,824.80x = 220,086.72 × 99,444.84
4. Step 4: Simplify right side
   146,824.80x = 21,886,488,656.52
5. Step 5: Solve for x
   x = 21,886,488,656.52/146,824.80
6. Step 6: Final answer
   x = 149,065.34