Finding the Fourth Proportional to 124,479.72, 171,779.94 and 67,887.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,479.72 : 171,779.94 = 67,887.72 : x
2. Step 2: Convert to fraction form
   124,479.72/171,779.94 = 67,887.72/x
3. Step 3: Cross multiply
   124,479.72x = 171,779.94 × 67,887.72
4. Step 4: Simplify right side
   124,479.72x = 11,661,748,468.34
5. Step 5: Solve for x
   x = 11,661,748,468.34/124,479.72
6. Step 6: Final answer
   x = 93,683.92