Finding the Fourth Proportional to 13,736,780.72, 18,957,290.52 and 7,542,088.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,736,780.72 : 18,957,290.52 = 7,542,088.54 : x
2. Step 2: Convert to fraction form
   13,736,780.72/18,957,290.52 = 7,542,088.54/x
3. Step 3: Cross multiply
   13,736,780.72x = 18,957,290.52 × 7,542,088.54
4. Step 4: Simplify right side
   13,736,780.72x = 142,977,563,561,232.25
5. Step 5: Solve for x
   x = 142,977,563,561,232.25/13,736,780.72
6. Step 6: Final answer
   x = 10,408,374.89