Finding the Fourth Proportional to 55,447.69, 83,545.64 and 45,802.93

Step by Step Solution

1. Step 1: Write the proportion equation
   55,447.69 : 83,545.64 = 45,802.93 : x
2. Step 2: Convert to fraction form
   55,447.69/83,545.64 = 45,802.93/x
3. Step 3: Cross multiply
   55,447.69x = 83,545.64 × 45,802.93
4. Step 4: Simplify right side
   55,447.69x = 3,826,634,871.71
5. Step 5: Solve for x
   x = 3,826,634,871.71/55,447.69
6. Step 6: Final answer
   x = 69,013.42