Finding the Fourth Proportional to 31,681,661.34, 47,542,483.53 and 13,485,826.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,681,661.34 : 47,542,483.53 = 13,485,826.83 : x
2. Step 2: Convert to fraction form
   31,681,661.34/47,542,483.53 = 13,485,826.83/x
3. Step 3: Cross multiply
   31,681,661.34x = 47,542,483.53 × 13,485,826.83
4. Step 4: Simplify right side
   31,681,661.34x = 641,149,699,953,707.12
5. Step 5: Solve for x
   x = 641,149,699,953,707.12/31,681,661.34
6. Step 6: Final answer
   x = 20,237,249.97