Finding the Fourth Proportional to 9,951,056.78, 14,925,865.27 and 3,129,581.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951,056.78 : 14,925,865.27 = 3,129,581.30 : x
2. Step 2: Convert to fraction form
   9,951,056.78/14,925,865.27 = 3,129,581.30/x
3. Step 3: Cross multiply
   9,951,056.78x = 14,925,865.27 × 3,129,581.30
4. Step 4: Simplify right side
   9,951,056.78x = 46,711,708,835,311.45
5. Step 5: Solve for x
   x = 46,711,708,835,311.45/9,951,056.78
6. Step 6: Final answer
   x = 4,694,145.54