Finding the Fourth Proportional to 61,436.16, 84,782.52 and 34,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,436.16 : 84,782.52 = 34,578.72 : x
2. Step 2: Convert to fraction form
   61,436.16/84,782.52 = 34,578.72/x
3. Step 3: Cross multiply
   61,436.16x = 84,782.52 × 34,578.72
4. Step 4: Simplify right side
   61,436.16x = 2,931,671,019.97
5. Step 5: Solve for x
   x = 2,931,671,019.97/61,436.16
6. Step 6: Final answer
   x = 47,718.98