Finding the Fourth Proportional to 1,319,404.41, 1,820,781.59 and 715,792.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319,404.41 : 1,820,781.59 = 715,792.41 : x
2. Step 2: Convert to fraction form
   1,319,404.41/1,820,781.59 = 715,792.41/x
3. Step 3: Cross multiply
   1,319,404.41x = 1,820,781.59 × 715,792.41
4. Step 4: Simplify right side
   1,319,404.41x = 1,303,301,638,810.77
5. Step 5: Solve for x
   x = 1,303,301,638,810.77/1,319,404.41
6. Step 6: Final answer
   x = 987,795.42