Finding the Fourth Proportional to 42,839,038.62, 64,267,776.41 and 13,294,645.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,839,038.62 : 64,267,776.41 = 13,294,645.34 : x
2. Step 2: Convert to fraction form
   42,839,038.62/64,267,776.41 = 13,294,645.34/x
3. Step 3: Cross multiply
   42,839,038.62x = 64,267,776.41 × 13,294,645.34
4. Step 4: Simplify right side
   42,839,038.62x = 854,417,293,873,266.25
5. Step 5: Solve for x
   x = 854,417,293,873,266.25/42,839,038.62
6. Step 6: Final answer
   x = 19,944,828.86