Finding the Fourth Proportional to 100,952.27, 139,314.17 and 55,011.60

Step by Step Solution

1. Step 1: Write the proportion equation
   100,952.27 : 139,314.17 = 55,011.60 : x
2. Step 2: Convert to fraction form
   100,952.27/139,314.17 = 55,011.60/x
3. Step 3: Cross multiply
   100,952.27x = 139,314.17 × 55,011.60
4. Step 4: Simplify right side
   100,952.27x = 7,663,895,064.39
5. Step 5: Solve for x
   x = 7,663,895,064.39/100,952.27
6. Step 6: Final answer
   x = 75,916.03