Finding the Fourth Proportional to 152,969.56, 229,513.18 and 74,077.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,969.56 : 229,513.18 = 74,077.72 : x
2. Step 2: Convert to fraction form
   152,969.56/229,513.18 = 74,077.72/x
3. Step 3: Cross multiply
   152,969.56x = 229,513.18 × 74,077.72
4. Step 4: Simplify right side
   152,969.56x = 17,001,813,084.35
5. Step 5: Solve for x
   x = 17,001,813,084.35/152,969.56
6. Step 6: Final answer
   x = 111,145.07