Finding the Fourth Proportional to 124,491.52, 186,641.56 and 64,455.63

Step by Step Solution

1. Step 1: Write the proportion equation
   124,491.52 : 186,641.56 = 64,455.63 : x
2. Step 2: Convert to fraction form
   124,491.52/186,641.56 = 64,455.63/x
3. Step 3: Cross multiply
   124,491.52x = 186,641.56 × 64,455.63
4. Step 4: Simplify right side
   124,491.52x = 12,030,099,333.98
5. Step 5: Solve for x
   x = 12,030,099,333.98/124,491.52
6. Step 6: Final answer
   x = 96,633.89