Finding the Fourth Proportional to 272,060.50, 408,114.27 and 75,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,060.50 : 408,114.27 = 75,068.50 : x
2. Step 2: Convert to fraction form
   272,060.50/408,114.27 = 75,068.50/x
3. Step 3: Cross multiply
   272,060.50x = 408,114.27 × 75,068.50
4. Step 4: Simplify right side
   272,060.50x = 30,636,526,077.50
5. Step 5: Solve for x
   x = 30,636,526,077.50/272,060.50
6. Step 6: Final answer
   x = 112,609.24