Finding the Fourth Proportional to 53,190.71, 79,396.72 and 46,885.23

Step by Step Solution

1. Step 1: Write the proportion equation
   53,190.71 : 79,396.72 = 46,885.23 : x
2. Step 2: Convert to fraction form
   53,190.71/79,396.72 = 46,885.23/x
3. Step 3: Cross multiply
   53,190.71x = 79,396.72 × 46,885.23
4. Step 4: Simplify right side
   53,190.71x = 3,722,533,081.46
5. Step 5: Solve for x
   x = 3,722,533,081.46/53,190.71
6. Step 6: Final answer
   x = 69,984.65