Finding the Fourth Proportional to 140,298.51, 193,604.72 and 76,624.01

Step by Step Solution

1. Step 1: Write the proportion equation
   140,298.51 : 193,604.72 = 76,624.01 : x
2. Step 2: Convert to fraction form
   140,298.51/193,604.72 = 76,624.01/x
3. Step 3: Cross multiply
   140,298.51x = 193,604.72 × 76,624.01
4. Step 4: Simplify right side
   140,298.51x = 14,834,769,376.20
5. Step 5: Solve for x
   x = 14,834,769,376.20/140,298.51
6. Step 6: Final answer
   x = 105,737.18