Finding the Fourth Proportional to 107,933, 148,947.54 and 63,221

Step by Step Solution

1. Step 1: Write the proportion equation
   107,933 : 148,947.54 = 63,221 : x
2. Step 2: Convert to fraction form
   107,933/148,947.54 = 63,221/x
3. Step 3: Cross multiply
   107,933x = 148,947.54 × 63,221
4. Step 4: Simplify right side
   107,933x = 9,416,612,426.34
5. Step 5: Solve for x
   x = 9,416,612,426.34/107,933
6. Step 6: Final answer
   x = 87,244.98