Finding the Fourth Proportional to 2,070,149.56, 3,105,561.38 and 611,343.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,149.56 : 3,105,561.38 = 611,343.55 : x
2. Step 2: Convert to fraction form
   2,070,149.56/3,105,561.38 = 611,343.55/x
3. Step 3: Cross multiply
   2,070,149.56x = 3,105,561.38 × 611,343.55
4. Step 4: Simplify right side
   2,070,149.56x = 1,898,564,924,345.77
5. Step 5: Solve for x
   x = 1,898,564,924,345.77/2,070,149.56
6. Step 6: Final answer
   x = 917,114.86