Finding the Fourth Proportional to 781,123.47, 1,077,899.52 and 436,899.79

Step by Step Solution

1. Step 1: Write the proportion equation
   781,123.47 : 1,077,899.52 = 436,899.79 : x
2. Step 2: Convert to fraction form
   781,123.47/1,077,899.52 = 436,899.79/x
3. Step 3: Cross multiply
   781,123.47x = 1,077,899.52 × 436,899.79
4. Step 4: Simplify right side
   781,123.47x = 470,934,073,929.10
5. Step 5: Solve for x
   x = 470,934,073,929.10/781,123.47
6. Step 6: Final answer
   x = 602,893.26