Finding the Fourth Proportional to 104,667.80, 157,038.15 and 45,545.90

Step by Step Solution

1. Step 1: Write the proportion equation
   104,667.80 : 157,038.15 = 45,545.90 : x
2. Step 2: Convert to fraction form
   104,667.80/157,038.15 = 45,545.90/x
3. Step 3: Cross multiply
   104,667.80x = 157,038.15 × 45,545.90
4. Step 4: Simplify right side
   104,667.80x = 7,152,443,876.09
5. Step 5: Solve for x
   x = 7,152,443,876.09/104,667.80
6. Step 6: Final answer
   x = 68,334.71