Finding the Fourth Proportional to 72,187.88, 99,554.40 and 46,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187.88 : 99,554.40 = 46,667.34 : x
2. Step 2: Convert to fraction form
   72,187.88/99,554.40 = 46,667.34/x
3. Step 3: Cross multiply
   72,187.88x = 99,554.40 × 46,667.34
4. Step 4: Simplify right side
   72,187.88x = 4,645,939,033.30
5. Step 5: Solve for x
   x = 4,645,939,033.30/72,187.88
6. Step 6: Final answer
   x = 64,358.99