Finding the Fourth Proportional to 42,557,829.89, 63,845,711.60 and 13,801,723.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557,829.89 : 63,845,711.60 = 13,801,723.29 : x
2. Step 2: Convert to fraction form
   42,557,829.89/63,845,711.60 = 13,801,723.29/x
3. Step 3: Cross multiply
   42,557,829.89x = 63,845,711.60 × 13,801,723.29
4. Step 4: Simplify right side
   42,557,829.89x = 881,180,844,687,334.50
5. Step 5: Solve for x
   x = 881,180,844,687,334.50/42,557,829.89
6. Step 6: Final answer
   x = 20,705,492.90