Finding the Fourth Proportional to 101,343.99, 139,852.65 and 56,023.89

Step by Step Solution

1. Step 1: Write the proportion equation
   101,343.99 : 139,852.65 = 56,023.89 : x
2. Step 2: Convert to fraction form
   101,343.99/139,852.65 = 56,023.89/x
3. Step 3: Cross multiply
   101,343.99x = 139,852.65 × 56,023.89
4. Step 4: Simplify right side
   101,343.99x = 7,835,088,780.55
5. Step 5: Solve for x
   x = 7,835,088,780.55/101,343.99
6. Step 6: Final answer
   x = 77,311.82