Finding the Fourth Proportional to 3,876,071.50, 5,348,978.67 and 2,157,597.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876,071.50 : 5,348,978.67 = 2,157,597.98 : x
2. Step 2: Convert to fraction form
   3,876,071.50/5,348,978.67 = 2,157,597.98/x
3. Step 3: Cross multiply
   3,876,071.50x = 5,348,978.67 × 2,157,597.98
4. Step 4: Simplify right side
   3,876,071.50x = 11,540,945,573,455.09
5. Step 5: Solve for x
   x = 11,540,945,573,455.09/3,876,071.50
6. Step 6: Final answer
   x = 2,977,485.21