Finding the Fourth Proportional to 61,667.06, 85,029.59 and 45,557.68

Step by Step Solution

1. Step 1: Write the proportion equation
   61,667.06 : 85,029.59 = 45,557.68 : x
2. Step 2: Convert to fraction form
   61,667.06/85,029.59 = 45,557.68/x
3. Step 3: Cross multiply
   61,667.06x = 85,029.59 × 45,557.68
4. Step 4: Simplify right side
   61,667.06x = 3,873,750,753.07
5. Step 5: Solve for x
   x = 3,873,750,753.07/61,667.06
6. Step 6: Final answer
   x = 62,817.18