Finding the Fourth Proportional to 171,810.47, 237,106.43 and 107,317.89

Step by Step Solution

1. Step 1: Write the proportion equation
   171,810.47 : 237,106.43 = 107,317.89 : x
2. Step 2: Convert to fraction form
   171,810.47/237,106.43 = 107,317.89/x
3. Step 3: Cross multiply
   171,810.47x = 237,106.43 × 107,317.89
4. Step 4: Simplify right side
   171,810.47x = 25,445,761,773.03
5. Step 5: Solve for x
   x = 25,445,761,773.03/171,810.47
6. Step 6: Final answer
   x = 148,103.67