Finding the Fourth Proportional to 1,877,186.20, 2,590,357.46 and 1,061,276.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877,186.20 : 2,590,357.46 = 1,061,276.72 : x
2. Step 2: Convert to fraction form
   1,877,186.20/2,590,357.46 = 1,061,276.72/x
3. Step 3: Cross multiply
   1,877,186.20x = 2,590,357.46 × 1,061,276.72
4. Step 4: Simplify right side
   1,877,186.20x = 2,749,086,068,776.33
5. Step 5: Solve for x
   x = 2,749,086,068,776.33/1,877,186.20
6. Step 6: Final answer
   x = 1,464,471.70