Finding the Fourth Proportional to 101,799.03, 140,483.50 and 56,479.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,799.03 : 140,483.50 = 56,479.98 : x
2. Step 2: Convert to fraction form
   101,799.03/140,483.50 = 56,479.98/x
3. Step 3: Cross multiply
   101,799.03x = 140,483.50 × 56,479.98
4. Step 4: Simplify right side
   101,799.03x = 7,934,505,270.33
5. Step 5: Solve for x
   x = 7,934,505,270.33/101,799.03
6. Step 6: Final answer
   x = 77,942.84