Finding the Fourth Proportional to 28,125,978.37, 42,399,777.40 and 26,251,091.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,125,978.37 : 42,399,777.40 = 26,251,091.82 : x
2. Step 2: Convert to fraction form
   28,125,978.37/42,399,777.40 = 26,251,091.82/x
3. Step 3: Cross multiply
   28,125,978.37x = 42,399,777.40 × 26,251,091.82
4. Step 4: Simplify right side
   28,125,978.37x = 1,113,040,449,866,773.88
5. Step 5: Solve for x
   x = 1,113,040,449,866,773.88/28,125,978.37
6. Step 6: Final answer
   x = 39,573,394.93