Finding the Fourth Proportional to 2,070,200.32, 3,105,637.55 and 611,394.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,200.32 : 3,105,637.55 = 611,394.37 : x
2. Step 2: Convert to fraction form
   2,070,200.32/3,105,637.55 = 611,394.37/x
3. Step 3: Cross multiply
   2,070,200.32x = 3,105,637.55 × 611,394.37
4. Step 4: Simplify right side
   2,070,200.32x = 1,898,769,302,509.53
5. Step 5: Solve for x
   x = 1,898,769,302,509.53/2,070,200.32
6. Step 6: Final answer
   x = 917,191.10