Finding the Fourth Proportional to 42,729,070.56, 58,907,552.40 and 27,040,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,729,070.56 : 58,907,552.40 = 27,040,290.72 : x
2. Step 2: Convert to fraction form
   42,729,070.56/58,907,552.40 = 27,040,290.72/x
3. Step 3: Cross multiply
   42,729,070.56x = 58,907,552.40 × 27,040,290.72
4. Step 4: Simplify right side
   42,729,070.56x = 1,592,877,342,499,633.50
5. Step 5: Solve for x
   x = 1,592,877,342,499,633.50/42,729,070.56
6. Step 6: Final answer
   x = 37,278,539.45