Finding the Fourth Proportional to 42,839,038.25, 64,267,775.86 and 13,294,644.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,839,038.25 : 64,267,775.86 = 13,294,644.96 : x
2. Step 2: Convert to fraction form
   42,839,038.25/64,267,775.86 = 13,294,644.96/x
3. Step 3: Cross multiply
   42,839,038.25x = 64,267,775.86 × 13,294,644.96
4. Step 4: Simplify right side
   42,839,038.25x = 854,417,262,394,322.12
5. Step 5: Solve for x
   x = 854,417,262,394,322.12/42,839,038.25
6. Step 6: Final answer
   x = 19,944,828.30