Finding the Fourth Proportional to 103,399.82, 155,100.52 and 56,627.18

Step by Step Solution

1. Step 1: Write the proportion equation
   103,399.82 : 155,100.52 = 56,627.18 : x
2. Step 2: Convert to fraction form
   103,399.82/155,100.52 = 56,627.18/x
3. Step 3: Cross multiply
   103,399.82x = 155,100.52 × 56,627.18
4. Step 4: Simplify right side
   103,399.82x = 8,782,905,064.13
5. Step 5: Solve for x
   x = 8,782,905,064.13/103,399.82
6. Step 6: Final answer
   x = 84,941.20