Finding the Fourth Proportional to 61,656.03, 85,085.37 and 42,804.09

Step by Step Solution

1. Step 1: Write the proportion equation
   61,656.03 : 85,085.37 = 42,804.09 : x
2. Step 2: Convert to fraction form
   61,656.03/85,085.37 = 42,804.09/x
3. Step 3: Cross multiply
   61,656.03x = 85,085.37 × 42,804.09
4. Step 4: Simplify right side
   61,656.03x = 3,642,001,835.16
5. Step 5: Solve for x
   x = 3,642,001,835.16/61,656.03
6. Step 6: Final answer
   x = 59,069.68