Finding the Fourth Proportional to 64,199.16, 88,603.20 and 35,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,199.16 : 88,603.20 = 35,910.72 : x
2. Step 2: Convert to fraction form
   64,199.16/88,603.20 = 35,910.72/x
3. Step 3: Cross multiply
   64,199.16x = 88,603.20 × 35,910.72
4. Step 4: Simplify right side
   64,199.16x = 3,181,804,706.30
5. Step 5: Solve for x
   x = 3,181,804,706.30/64,199.16
6. Step 6: Final answer
   x = 49,561.47