Finding the Fourth Proportional to 1,499,060.78, 2,068,649.06 and 854,356.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,060.78 : 2,068,649.06 = 854,356.43 : x
2. Step 2: Convert to fraction form
   1,499,060.78/2,068,649.06 = 854,356.43/x
3. Step 3: Cross multiply
   1,499,060.78x = 2,068,649.06 × 854,356.43
4. Step 4: Simplify right side
   1,499,060.78x = 1,767,363,633,131.97
5. Step 5: Solve for x
   x = 1,767,363,633,131.97/1,499,060.78
6. Step 6: Final answer
   x = 1,178,980.64