Finding the Fourth Proportional to 101,348.03, 139,860.33 and 56,636.03

Step by Step Solution

1. Step 1: Write the proportion equation
   101,348.03 : 139,860.33 = 56,636.03 : x
2. Step 2: Convert to fraction form
   101,348.03/139,860.33 = 56,636.03/x
3. Step 3: Cross multiply
   101,348.03x = 139,860.33 × 56,636.03
4. Step 4: Simplify right side
   101,348.03x = 7,921,133,845.69
5. Step 5: Solve for x
   x = 7,921,133,845.69/101,348.03
6. Step 6: Final answer
   x = 78,157.75