Finding the Fourth Proportional to 1,668,705.30, 2,503,835.55 and 1,248,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,705.30 : 2,503,835.55 = 1,248,801.30 : x
2. Step 2: Convert to fraction form
   1,668,705.30/2,503,835.55 = 1,248,801.30/x
3. Step 3: Cross multiply
   1,668,705.30x = 2,503,835.55 × 1,248,801.30
4. Step 4: Simplify right side
   1,668,705.30x = 3,126,793,089,826.22
5. Step 5: Solve for x
   x = 3,126,793,089,826.22/1,668,705.30
6. Step 6: Final answer
   x = 1,873,783.88