Finding the Fourth Proportional to 93,680.72, 140,521.32 and 38,276.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,680.72 : 140,521.32 = 38,276.72 : x
2. Step 2: Convert to fraction form
   93,680.72/140,521.32 = 38,276.72/x
3. Step 3: Cross multiply
   93,680.72x = 140,521.32 × 38,276.72
4. Step 4: Simplify right side
   93,680.72x = 5,378,695,219.67
5. Step 5: Solve for x
   x = 5,378,695,219.67/93,680.72
6. Step 6: Final answer
   x = 57,415.18