Finding the Fourth Proportional to 1,084,002.58, 1,625,417.43 and 860,798.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084,002.58 : 1,625,417.43 = 860,798.98 : x
2. Step 2: Convert to fraction form
   1,084,002.58/1,625,417.43 = 860,798.98/x
3. Step 3: Cross multiply
   1,084,002.58x = 1,625,417.43 × 860,798.98
4. Step 4: Simplify right side
   1,084,002.58x = 1,399,157,665,818.22
5. Step 5: Solve for x
   x = 1,399,157,665,818.22/1,084,002.58
6. Step 6: Final answer
   x = 1,290,732.78