Finding the Fourth Proportional to 124,374.72, 186,560.64 and 74,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,374.72 : 186,560.64 = 74,468.72 : x
2. Step 2: Convert to fraction form
   124,374.72/186,560.64 = 74,468.72/x
3. Step 3: Cross multiply
   124,374.72x = 186,560.64 × 74,468.72
4. Step 4: Simplify right side
   124,374.72x = 13,892,932,063.18
5. Step 5: Solve for x
   x = 13,892,932,063.18/124,374.72
6. Step 6: Final answer
   x = 111,702.22