Finding the Fourth Proportional to 148,916.67, 223,391.34 and 64,618.89

Step by Step Solution

1. Step 1: Write the proportion equation
   148,916.67 : 223,391.34 = 64,618.89 : x
2. Step 2: Convert to fraction form
   148,916.67/223,391.34 = 64,618.89/x
3. Step 3: Cross multiply
   148,916.67x = 223,391.34 × 64,618.89
4. Step 4: Simplify right side
   148,916.67x = 14,435,300,426.41
5. Step 5: Solve for x
   x = 14,435,300,426.41/148,916.67
6. Step 6: Final answer
   x = 96,935.42