Finding the Fourth Proportional to 2,586,892.17, 3,569,917.68 and 1,554,417.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,892.17 : 3,569,917.68 = 1,554,417.20 : x
2. Step 2: Convert to fraction form
   2,586,892.17/3,569,917.68 = 1,554,417.20/x
3. Step 3: Cross multiply
   2,586,892.17x = 3,569,917.68 × 1,554,417.20
4. Step 4: Simplify right side
   2,586,892.17x = 5,549,141,426,526.51
5. Step 5: Solve for x
   x = 5,549,141,426,526.51/2,586,892.17
6. Step 6: Final answer
   x = 2,145,099.63