Finding the Fourth Proportional to 19,538,978.41, 29,271,473.81 and 13,042,464.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,538,978.41 : 29,271,473.81 = 13,042,464.83 : x
2. Step 2: Convert to fraction form
   19,538,978.41/29,271,473.81 = 13,042,464.83/x
3. Step 3: Cross multiply
   19,538,978.41x = 29,271,473.81 × 13,042,464.83
4. Step 4: Simplify right side
   19,538,978.41x = 381,772,167,623,978.75
5. Step 5: Solve for x
   x = 381,772,167,623,978.75/19,538,978.41
6. Step 6: Final answer
   x = 19,539,003.51