Finding the Fourth Proportional to 61,897.82, 85,420.02 and 33,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,897.82 : 85,420.02 = 33,603.50 : x
2. Step 2: Convert to fraction form
   61,897.82/85,420.02 = 33,603.50/x
3. Step 3: Cross multiply
   61,897.82x = 85,420.02 × 33,603.50
4. Step 4: Simplify right side
   61,897.82x = 2,870,411,642.07
5. Step 5: Solve for x
   x = 2,870,411,642.07/61,897.82
6. Step 6: Final answer
   x = 46,373.39