Finding the Fourth Proportional to 101,010, 139,398.12 and 56,298

Step by Step Solution

1. Step 1: Write the proportion equation
   101,010 : 139,398.12 = 56,298 : x
2. Step 2: Convert to fraction form
   101,010/139,398.12 = 56,298/x
3. Step 3: Cross multiply
   101,010x = 139,398.12 × 56,298
4. Step 4: Simplify right side
   101,010x = 7,847,835,359.76
5. Step 5: Solve for x
   x = 7,847,835,359.76/101,010
6. Step 6: Final answer
   x = 77,693.65