Finding the Fourth Proportional to 158,427.63, 218,548.35 and 107,423.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,427.63 : 218,548.35 = 107,423.10 : x
2. Step 2: Convert to fraction form
   158,427.63/218,548.35 = 107,423.10/x
3. Step 3: Cross multiply
   158,427.63x = 218,548.35 × 107,423.10
4. Step 4: Simplify right side
   158,427.63x = 23,477,141,256.89
5. Step 5: Solve for x
   x = 23,477,141,256.89/158,427.63
6. Step 6: Final answer
   x = 148,188.43