Finding the Fourth Proportional to 2,377,886.25, 3,566,080.11 and 780,077.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377,886.25 : 3,566,080.11 = 780,077.01 : x
2. Step 2: Convert to fraction form
   2,377,886.25/3,566,080.11 = 780,077.01/x
3. Step 3: Cross multiply
   2,377,886.25x = 3,566,080.11 × 780,077.01
4. Step 4: Simplify right side
   2,377,886.25x = 2,781,817,109,629.27
5. Step 5: Solve for x
   x = 2,781,817,109,629.27/2,377,886.25
6. Step 6: Final answer
   x = 1,169,869.72