Finding the Fourth Proportional to 107,404.61, 161,152.47 and 57,471.75

Step by Step Solution

1. Step 1: Write the proportion equation
   107,404.61 : 161,152.47 = 57,471.75 : x
2. Step 2: Convert to fraction form
   107,404.61/161,152.47 = 57,471.75/x
3. Step 3: Cross multiply
   107,404.61x = 161,152.47 × 57,471.75
4. Step 4: Simplify right side
   107,404.61x = 9,261,714,467.72
5. Step 5: Solve for x
   x = 9,261,714,467.72/107,404.61
6. Step 6: Final answer
   x = 86,232.01