Finding the Fourth Proportional to 2,429,123.86, 3,641,247.28 and 830,593.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429,123.86 : 3,641,247.28 = 830,593.72 : x
2. Step 2: Convert to fraction form
   2,429,123.86/3,641,247.28 = 830,593.72/x
3. Step 3: Cross multiply
   2,429,123.86x = 3,641,247.28 × 830,593.72
4. Step 4: Simplify right side
   2,429,123.86x = 3,024,397,123,735.08
5. Step 5: Solve for x
   x = 3,024,397,123,735.08/2,429,123.86
6. Step 6: Final answer
   x = 1,245,056.78