Finding the Fourth Proportional to 124,488.72, 171,793.63 and 70,773.75

Step by Step Solution

1. Step 1: Write the proportion equation
   124,488.72 : 171,793.63 = 70,773.75 : x
2. Step 2: Convert to fraction form
   124,488.72/171,793.63 = 70,773.75/x
3. Step 3: Cross multiply
   124,488.72x = 171,793.63 × 70,773.75
4. Step 4: Simplify right side
   124,488.72x = 12,158,479,421.21
5. Step 5: Solve for x
   x = 12,158,479,421.21/124,488.72
6. Step 6: Final answer
   x = 97,667.32