Finding the Fourth Proportional to 107,404.77, 161,018.46 and 47,390.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,404.77 : 161,018.46 = 47,390.52 : x
2. Step 2: Convert to fraction form
   107,404.77/161,018.46 = 47,390.52/x
3. Step 3: Cross multiply
   107,404.77x = 161,018.46 × 47,390.52
4. Step 4: Simplify right side
   107,404.77x = 7,630,748,549.00
5. Step 5: Solve for x
   x = 7,630,748,549.00/107,404.77
6. Step 6: Final answer
   x = 71,046.64