Finding the Fourth Proportional to 72,071.52, 99,504.98 and 46,616.90

Step by Step Solution

1. Step 1: Write the proportion equation
   72,071.52 : 99,504.98 = 46,616.90 : x
2. Step 2: Convert to fraction form
   72,071.52/99,504.98 = 46,616.90/x
3. Step 3: Cross multiply
   72,071.52x = 99,504.98 × 46,616.90
4. Step 4: Simplify right side
   72,071.52x = 4,638,612,971.55
5. Step 5: Solve for x
   x = 4,638,612,971.55/72,071.52
6. Step 6: Final answer
   x = 64,361.25