Finding the Fourth Proportional to 101,753.77, 140,428.83 and 56,446.35

Step by Step Solution

1. Step 1: Write the proportion equation
   101,753.77 : 140,428.83 = 56,446.35 : x
2. Step 2: Convert to fraction form
   101,753.77/140,428.83 = 56,446.35/x
3. Step 3: Cross multiply
   101,753.77x = 140,428.83 × 56,446.35
4. Step 4: Simplify right side
   101,753.77x = 7,926,695,520.72
5. Step 5: Solve for x
   x = 7,926,695,520.72/101,753.77
6. Step 6: Final answer
   x = 77,900.75