Finding the Fourth Proportional to 146,333.79, 219,484.89 and 99,250.92

Step by Step Solution

1. Step 1: Write the proportion equation
   146,333.79 : 219,484.89 = 99,250.92 : x
2. Step 2: Convert to fraction form
   146,333.79/219,484.89 = 99,250.92/x
3. Step 3: Cross multiply
   146,333.79x = 219,484.89 × 99,250.92
4. Step 4: Simplify right side
   146,333.79x = 21,784,077,258.60
5. Step 5: Solve for x
   x = 21,784,077,258.60/146,333.79
6. Step 6: Final answer
   x = 148,865.67