Finding the Fourth Proportional to 42,557,804.39, 63,845,673.29 and 13,801,697.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557,804.39 : 63,845,673.29 = 13,801,697.73 : x
2. Step 2: Convert to fraction form
   42,557,804.39/63,845,673.29 = 13,801,697.73/x
3. Step 3: Cross multiply
   42,557,804.39x = 63,845,673.29 × 13,801,697.73
4. Step 4: Simplify right side
   42,557,804.39x = 881,178,684,047,906.12
5. Step 5: Solve for x
   x = 881,178,684,047,906.12/42,557,804.39
6. Step 6: Final answer
   x = 20,705,454.54