Finding the Fourth Proportional to 780,793.83, 1,077,062.71 and 454,071.06

Step by Step Solution

1. Step 1: Write the proportion equation
   780,793.83 : 1,077,062.71 = 454,071.06 : x
2. Step 2: Convert to fraction form
   780,793.83/1,077,062.71 = 454,071.06/x
3. Step 3: Cross multiply
   780,793.83x = 1,077,062.71 × 454,071.06
4. Step 4: Simplify right side
   780,793.83x = 489,063,009,319.98
5. Step 5: Solve for x
   x = 489,063,009,319.98/780,793.83
6. Step 6: Final answer
   x = 626,366.39