Finding the Fourth Proportional to 999,910.72, 1,499,875.80 and 251,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   999,910.72 : 1,499,875.80 = 251,956.72 : x
2. Step 2: Convert to fraction form
   999,910.72/1,499,875.80 = 251,956.72/x
3. Step 3: Cross multiply
   999,910.72x = 1,499,875.80 × 251,956.72
4. Step 4: Simplify right side
   999,910.72x = 377,903,786,975.38
5. Step 5: Solve for x
   x = 377,903,786,975.38/999,910.72
6. Step 6: Final answer
   x = 377,937.53