Finding the Fourth Proportional to 2,557,047.32, 3,528,809.98 and 1,395,557.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,047.32 : 3,528,809.98 = 1,395,557.00 : x
2. Step 2: Convert to fraction form
   2,557,047.32/3,528,809.98 = 1,395,557.00/x
3. Step 3: Cross multiply
   2,557,047.32x = 3,528,809.98 × 1,395,557.00
4. Step 4: Simplify right side
   2,557,047.32x = 4,924,655,448,125.92
5. Step 5: Solve for x
   x = 4,924,655,448,125.92/2,557,047.32
6. Step 6: Final answer
   x = 1,925,914.87