Finding the Fourth Proportional to 61,897.50, 85,419.56 and 33,603.19

Step by Step Solution

1. Step 1: Write the proportion equation
   61,897.50 : 85,419.56 = 33,603.19 : x
2. Step 2: Convert to fraction form
   61,897.50/85,419.56 = 33,603.19/x
3. Step 3: Cross multiply
   61,897.50x = 85,419.56 × 33,603.19
4. Step 4: Simplify right side
   61,897.50x = 2,870,369,574.86
5. Step 5: Solve for x
   x = 2,870,369,574.86/61,897.50
6. Step 6: Final answer
   x = 46,372.95