Finding the Fourth Proportional to 215,002.56, 322,506.72 and 74,763.84

Step by Step Solution

1. Step 1: Write the proportion equation
   215,002.56 : 322,506.72 = 74,763.84 : x
2. Step 2: Convert to fraction form
   215,002.56/322,506.72 = 74,763.84/x
3. Step 3: Cross multiply
   215,002.56x = 322,506.72 × 74,763.84
4. Step 4: Simplify right side
   215,002.56x = 24,111,840,813.00
5. Step 5: Solve for x
   x = 24,111,840,813.00/215,002.56
6. Step 6: Final answer
   x = 112,146.76