Finding the Fourth Proportional to 2,553,320.07, 3,830,111.33 and 660,077.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,320.07 : 3,830,111.33 = 660,077.91 : x
2. Step 2: Convert to fraction form
   2,553,320.07/3,830,111.33 = 660,077.91/x
3. Step 3: Cross multiply
   2,553,320.07x = 3,830,111.33 × 660,077.91
4. Step 4: Simplify right side
   2,553,320.07x = 2,528,171,878,473.33
5. Step 5: Solve for x
   x = 2,528,171,878,473.33/2,553,320.07
6. Step 6: Final answer
   x = 990,150.79