Finding the Fourth Proportional to 42,049,890.90, 63,063,026.55 and 13,304,837.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049,890.90 : 63,063,026.55 = 13,304,837.70 : x
2. Step 2: Convert to fraction form
   42,049,890.90/63,063,026.55 = 13,304,837.70/x
3. Step 3: Cross multiply
   42,049,890.90x = 63,063,026.55 × 13,304,837.70
4. Step 4: Simplify right side
   42,049,890.90x = 839,043,333,118,540.88
5. Step 5: Solve for x
   x = 839,043,333,118,540.88/42,049,890.90
6. Step 6: Final answer
   x = 19,953,519.86