Finding the Fourth Proportional to 1,455,111.84, 2,171,287.65 and 1,303,810.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,111.84 : 2,171,287.65 = 1,303,810.86 : x
2. Step 2: Convert to fraction form
   1,455,111.84/2,171,287.65 = 1,303,810.86/x
3. Step 3: Cross multiply
   1,455,111.84x = 2,171,287.65 × 1,303,810.86
4. Step 4: Simplify right side
   1,455,111.84x = 2,830,948,418,253.88
5. Step 5: Solve for x
   x = 2,830,948,418,253.88/1,455,111.84
6. Step 6: Final answer
   x = 1,945,519.47