Finding the Fourth Proportional to 2,070,897.60, 3,105,077.94 and 807,249

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,897.60 : 3,105,077.94 = 807,249 : x
2. Step 2: Convert to fraction form
   2,070,897.60/3,105,077.94 = 807,249/x
3. Step 3: Cross multiply
   2,070,897.60x = 3,105,077.94 × 807,249
4. Step 4: Simplify right side
   2,070,897.60x = 2,506,571,061,987.06
5. Step 5: Solve for x
   x = 2,506,571,061,987.06/2,070,897.60
6. Step 6: Final answer
   x = 1,210,379.05