Finding the Fourth Proportional to 2,070,899.60, 3,105,080.94 and 807,251

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,899.60 : 3,105,080.94 = 807,251 : x
2. Step 2: Convert to fraction form
   2,070,899.60/3,105,080.94 = 807,251/x
3. Step 3: Cross multiply
   2,070,899.60x = 3,105,080.94 × 807,251
4. Step 4: Simplify right side
   2,070,899.60x = 2,506,579,693,895.94
5. Step 5: Solve for x
   x = 2,506,579,693,895.94/2,070,899.60
6. Step 6: Final answer
   x = 1,210,382.05