Finding the Fourth Proportional to 1,978,210.89, 2,730,077.94 and 1,107,133.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,210.89 : 2,730,077.94 = 1,107,133.02 : x
2. Step 2: Convert to fraction form
   1,978,210.89/2,730,077.94 = 1,107,133.02/x
3. Step 3: Cross multiply
   1,978,210.89x = 2,730,077.94 × 1,107,133.02
4. Step 4: Simplify right side
   1,978,210.89x = 3,022,559,434,547.58
5. Step 5: Solve for x
   x = 3,022,559,434,547.58/1,978,210.89
6. Step 6: Final answer
   x = 1,527,925.79