Finding the Fourth Proportional to 42,557,863.48, 63,845,761.82 and 13,801,756.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557,863.48 : 63,845,761.82 = 13,801,756.84 : x
2. Step 2: Convert to fraction form
   42,557,863.48/63,845,761.82 = 13,801,756.84/x
3. Step 3: Cross multiply
   42,557,863.48x = 63,845,761.82 × 13,801,756.84
4. Step 4: Simplify right side
   42,557,863.48x = 881,183,679,904,195.88
5. Step 5: Solve for x
   x = 881,183,679,904,195.88/42,557,863.48
6. Step 6: Final answer
   x = 20,705,543.18