Finding the Fourth Proportional to 1,050,030.72, 1,575,657.77 and 442,781.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,030.72 : 1,575,657.77 = 442,781.82 : x
2. Step 2: Convert to fraction form
   1,050,030.72/1,575,657.77 = 442,781.82/x
3. Step 3: Cross multiply
   1,050,030.72x = 1,575,657.77 × 442,781.82
4. Step 4: Simplify right side
   1,050,030.72x = 697,672,612,883.83
5. Step 5: Solve for x
   x = 697,672,612,883.83/1,050,030.72
6. Step 6: Final answer
   x = 664,430.67