Finding the Fourth Proportional to 999,902.72, 1,499,863.80 and 251,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   999,902.72 : 1,499,863.80 = 251,948.72 : x
2. Step 2: Convert to fraction form
   999,902.72/1,499,863.80 = 251,948.72/x
3. Step 3: Cross multiply
   999,902.72x = 1,499,863.80 × 251,948.72
4. Step 4: Simplify right side
   999,902.72x = 377,888,764,584.34
5. Step 5: Solve for x
   x = 377,888,764,584.34/999,902.72
6. Step 6: Final answer
   x = 377,925.53