Finding the Fourth Proportional to 2,573,884.89, 3,860,854.88 and 776,784.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,884.89 : 3,860,854.88 = 776,784.47 : x
2. Step 2: Convert to fraction form
   2,573,884.89/3,860,854.88 = 776,784.47/x
3. Step 3: Cross multiply
   2,573,884.89x = 3,860,854.88 × 776,784.47
4. Step 4: Simplify right side
   2,573,884.89x = 2,999,052,088,519.52
5. Step 5: Solve for x
   x = 2,999,052,088,519.52/2,573,884.89
6. Step 6: Final answer
   x = 1,165,185.01